If You're Not **DOING THIS** Before Starting Your Car, You're Stupid !!

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  • เผยแพร่เมื่อ 9 มิ.ย. 2024
  • If You're Not *DOING THIS* Before Starting Your Car, You're Stupid !!
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ความคิดเห็น • 335

  • @redrock1963
    @redrock1963 2 ปีที่แล้ว +310

    As a qualified mechanic, I want to advise everyone that idling an engine to (at least above cold temp) IS GOOD for the engine.
    It is BAD to run an engine when it's cold - At cold temp, the engine components (rings bearings, gudgeon pins, oil seals, gaskets etc - not to mention the oil it's self) are not at their optimal operating temp / size / viscosity etc - as each component warms up, they expand and this create a specific clearance BETWEEN each component (between each moving part) which ,once at full operating temp, reduces wear and tear.
    Engines are DESOIGNED to run at a specific temp range for optimal reduction of wear and tear and for optimal fuel economy and optimal reduction in pollutants.
    If the engine is run cold, there is an INCREASE in wear and tear and a DECREASE in engine life and an INCREASE in pollution.
    And to the point of NOT allowing engines to idle and thus reducing pollution, "stop start" engine systems were introduced to reduce the period of time an engine idles over an entire trip/journey NOT for that ONE time the engine idles at cold start. When this is applied to a volume of traffic it is effective in reducing pollution but it does not apply to an initial warm up period of the engine.

    • @Smachfest
      @Smachfest 2 ปีที่แล้ว +19

      No. Start and when the engine speed stabilises, drive off. (If road conditions permit.) just do not overload it with high engine speeds or heavy loads. Idling an engine for an excessive period (i.e. the time it takes to warm up.) is not good for the engine.

    • @michaelmcclain629
      @michaelmcclain629 2 ปีที่แล้ว +8

      So what's your advise for people who live in climates where it gets -20C or colder in the winter? Just don't drive your car?

    • @OH8EFI
      @OH8EFI 2 ปีที่แล้ว +15

      @@michaelmcclain629 this is quite interesting. Since here it goes under -30°C. This is also quite controvercial topic here in Finland. Some (like me) like to idle it for few minutes and then drive off. I usually do that but still will not load the engine too much before it gets to an operational temperature. I think those two choises are both equally good and bad.

    • @015diesel
      @015diesel 2 ปีที่แล้ว +5

      Well said mate 👌

    • @leeperola7023
      @leeperola7023 2 ปีที่แล้ว +6

      True words. Try riding a two-stroke from stone cold. 😛🇬🇧

  • @robertasviskupaitis9195
    @robertasviskupaitis9195 2 ปีที่แล้ว +53

    well if you rev the sh** out of ur engine right after starting it will do more damage than idle for few seconds.

    • @ivanmaior8637
      @ivanmaior8637 ปีที่แล้ว +1

      a few seconds is ideal, for sure. followed by driving off at a moderate engine speed is best. leaving your car to warm up for 10+ minutes is not.

    • @Shade_Tree_Mechanic
      @Shade_Tree_Mechanic 11 หลายเดือนก่อน

      ​@@ivanmaior8637 Yeah imma let my transmission warm up for about 4 to 10 minutes depending on the season. My E23 has made it to 350,000 miles original engine, and trans while doing so.

    • @gnomebmw
      @gnomebmw 5 หลายเดือนก่อน

      When its cold in Canada, always let the car warm up a little. Wait for the SAP air pump shutoff and the idle will come down before putting the car in R or D gear. Its better for auto transmission.

    • @Fish-bj1sj
      @Fish-bj1sj 5 หลายเดือนก่อน

      Yeah but did he say rev the sh out of it tho? Kid..

  • @Saif0412
    @Saif0412 3 ปีที่แล้ว +24

    I typically wait for the cold start to finish on my N54 335i, before driving off and keep the revs under 2.5k until the engine is warmed up to about 100 degrees C.

  • @sarggt1690
    @sarggt1690 2 ปีที่แล้ว +8

    My car as 22 yo i ALWAYS let my car warm up for a minute or two, my engine is like new and running better than new cars.

  • @thelostshadowofhanzo
    @thelostshadowofhanzo 3 ปีที่แล้ว +77

    I always let my engine tick over for at least a few seconds when first starting it. This is to allow the oil pressure to build and the oil to circulate through out the engine. I have never had an issue, when realy cold i will give the engine longer to warm up abit more. This allows the engine to have warm up slower and puts less stress on the head gasket and other gaskets.

    • @squash661
      @squash661 2 ปีที่แล้ว +9

      yup I wait until it drops down to around 600 rpms from 1000 when starting. Takes maybe 15-30 secs

    • @L39T
      @L39T 2 ปีที่แล้ว +18

      @@squash661 i redline my car as soon as i start it

    • @wherescorbin9532
      @wherescorbin9532 2 ปีที่แล้ว +1

      @@squash661 I do the same thing and the engines perfect still 20 years and 113000 miles later

    • @30isurfer
      @30isurfer 2 ปีที่แล้ว +3

      @@L39T good for you. But bad for your car.

    • @ryanw9051
      @ryanw9051 2 ปีที่แล้ว +1

      @@30isurfer the manual says to drive off immediately to warm it up, not let idle. Not sure about redlining though.

  • @donnythomas0078
    @donnythomas0078 3 ปีที่แล้ว +79

    I let it idle until the rpms go down to idle.. There is a small time period with high idle when you first start up.

    • @NDakovic
      @NDakovic 3 ปีที่แล้ว +2

      Yea, i always wanted clarification on this. Its choke (ultra rich fuel mix for petrol cars cold start) and afaik car shouldn't be driven around with choke.

    • @sub23DaRkNeSS
      @sub23DaRkNeSS 3 ปีที่แล้ว +2

      I do this too. But is it the way to do it or should we go straight away while its still higher rpm?

    • @Shadow9635
      @Shadow9635 3 ปีที่แล้ว +8

      @@sub23DaRkNeSS Same here, always thought it wasn’t right to drive away straight away

    • @csifinorbi
      @csifinorbi 3 ปีที่แล้ว +9

      @@sub23DaRkNeSS you should wait for the rpm's to drop. It's only a few seconds anyway.

    • @eQuASiANXane
      @eQuASiANXane 2 ปีที่แล้ว +1

      thats fine, thats your cold start. Slightly higher initial revs designed to warm up your cars catalytic converters. Pretty sure the video is talking about letting the car fully warm up (90degree coolant temp and such) before driving off which is a bad idea

  • @ilivedowntheroad
    @ilivedowntheroad 3 ปีที่แล้ว +73

    You can tell when your engine is still cold. There is a difference in sound and smoothness when it’s still cold

    • @Day-tu7ol
      @Day-tu7ol 3 ปีที่แล้ว

      Great content!

    • @usurper762
      @usurper762 2 ปีที่แล้ว +1

      It’s because it’s running on a different map.

    • @unpopularopinionz
      @unpopularopinionz 2 ปีที่แล้ว

      And the RPM are way higher.. it doesnt feel like its good for the motor.

    • @unpopularopinionz
      @unpopularopinionz 2 ปีที่แล้ว +5

      I feel like start and go on cold is like getting out the car and immediately start running without stretching....

    • @songlee1253
      @songlee1253 2 ปีที่แล้ว

      @@unpopularopinionz lol

  • @dealerservices3095
    @dealerservices3095 2 ปีที่แล้ว +7

    So let it warm up or not with the automatic transmission n52 128i ? Because the 1st thing you said is not to let your car warm up then you said later let the tranny warm up which would mean the engine would be doing the same?

  • @asbjornster
    @asbjornster 3 ปีที่แล้ว +14

    Starting a stone cold car and drive straight away is simply not possible about 3 months a year here in the colder areas. -25 outside (and inside the car) and your breath will fog/ice up your windows within 200 meters. If it's not -25, we quite often have freezing rain at -10. That's instant ice on your windows unless you can dump all your heat at it. The defroster does nothing until the coolant temp rises (the fans won't blow any air if set temperature is higher than coolant temp). Sure, a supplemental heater like a Webasto will speed things up a bit, but the 5kW it provides is nowhere enough to stop you from going blind of haze pretty quickly. Using the Webasto as a parking heater helps a bit for the inside temperature, until you start the engine and the coolant flows into the cold engine. Also, even a new AGM battery is having a tough life providing power for the parking heater, electronics, pumps and fans at -25. I think my 460000 km E65 have spent a few weeks just idling because of that stupid winter thing we get every year ;) As for your other tips, I totally agree :)

    • @Hennrixx
      @Hennrixx 3 ปีที่แล้ว +1

      If it’s cold like that, it’s not smart to drive at once. Ofcause it’s important to use quality oil but it have to get a bit tempered.

  • @AshutoshGirkar
    @AshutoshGirkar 3 ปีที่แล้ว +4

    Thank you Doctor Dean for amazing videos! I recently bought a 07 530i. N52b. Can you please make a video on 2A19 tank valveation error. I’ve seen a lot of people having this error with no good answers to the problem. Thanks in advance!

  • @jtomgordon
    @jtomgordon 2 ปีที่แล้ว +7

    The transmission needs to warm up on cold days. This should be your priority.

  • @aliG-cp7yl
    @aliG-cp7yl 3 ปีที่แล้ว +1

    Thanks Dr. Using your piece on battery drain I think that I have finally solved my battery drain on my 2005 X5 is, I sat in the car locked myself in and watched my multifunction screen trying to come on multiple times.

  • @mj2684
    @mj2684 2 ปีที่แล้ว +3

    Hi quick question about starting the car. You mention not to sit idle waiting for the car to warm up but then you mention afterwards about wait for the car to get warmed up so gear box lubricates etc. could you advise which you do? Especially for Every morning when I start my car

  • @kahsengwong5953
    @kahsengwong5953 2 ปีที่แล้ว +5

    Waiting for the car to warm up before driving is a good practice. Some newer model will automatically rev up when u start. The point is during when the car is stationary for so many hours or days all the oil from the engine is settled back to the oil sump. So the warming up is to allow the oil pump to serve oil to every part of the engine when u first start so as to prevent wear.

    • @dopiaza2006
      @dopiaza2006 2 ปีที่แล้ว +1

      The automatic rev up is so the alternator can geenrate enough power to cover things like auxiliary heater, heated seats etc. It's nothing to do with the engine being readsy to drive.

  • @sragga
    @sragga 3 ปีที่แล้ว +7

    have to idle here when its -20c to -40 or more as you got ice in the inside and out

  • @chrisgermann6658
    @chrisgermann6658 2 ปีที่แล้ว +7

    In the winter i normally let the engine tick over for 5-10 minutes then drive off whilst keeping the revs below 2k (Diesel engine). Once at peak temp its good to go.

  • @thabomathabela3120
    @thabomathabela3120 3 ปีที่แล้ว

    Informative, I m a Ford focus owner but a huge fan of your work, I start, let my car run for a minute or two and start driving.

  • @gpracer8064
    @gpracer8064 3 ปีที่แล้ว +32

    Hi, I have a BMW E60 M5 and always like to wait for the cold start to finish, it's roughly 2mins. I was told to let it run through all of its tests before driving off. I've done this for the last 5 years and don't seem to have a problem.
    Am I doing damage?
    Thanks

    • @Elmantukas
      @Elmantukas 3 ปีที่แล้ว +9

      You are doing the right thing, keep doing it. 2 minutes means propper oil pressure around the big end bearings, and you need that on your m5

    • @bonniedrasco8166
      @bonniedrasco8166 2 ปีที่แล้ว

      No you are absolutely correct, especially as an M car owner, there are models of high performance cars, supercars and race cars that won’t even let you engage the first gear whether that gear be in a manual or automatic gearbox until the engine has had at least a chance to lubricate the parts with oil!

  • @tonycoombes2281
    @tonycoombes2281 ปีที่แล้ว

    been looking at your vids for years ,,,you have saved me monys ,love my bmas ,brillll vids top man

  • @tuomasehrling9958
    @tuomasehrling9958 3 ปีที่แล้ว +3

    I think it is very important to let cold engine run couple minutes before driving and especially if it has automatic gearbox

  • @melvynfoo2304
    @melvynfoo2304 2 ปีที่แล้ว +1

    Thanks for making me less stupid after watching this video!

  • @dorlagon2420
    @dorlagon2420 2 ปีที่แล้ว +1

    wait .... you said you need to drive off once you turn the engine on from cold so you dont damage the enigne, then later you said let the car run for 5 min before drive off, let the oil in the gear box go up to tempreture to drive it correctly...... so does that mean we have a chose, ether damage the enigne or damage the gear box, your chose

  • @bmw_knight_f3088
    @bmw_knight_f3088 3 ปีที่แล้ว +1

    Do these apply for 328i? I have a 2013 F-30. When starting my car. ? I always wait like 1-2 mins but now I know I should not be doing these right? 🤷‍♂️

  • @samiobreja6963
    @samiobreja6963 2 ปีที่แล้ว

    Thank you for all these informations. As I've just passed my driving test, I just bought as my first car an automatic BMW Series 1, 2006, petrol and all your informations are so helpful. Take Care !

  • @zafmahmood5654
    @zafmahmood5654 2 ปีที่แล้ว

    Excellent advice. I hope those seeing this video take it on board. Thanks again

  • @233kosta
    @233kosta 3 ปีที่แล้ว

    My 325i doesn't do the moving redline thing your E60s do, is there any way to retrofit the function or am I just going to have to get real good at guessing? Best I've come up with so far is waiting until the oil gauge displays an actual reading, I assume it waits until the oil gets to working temperature

  • @DEX-dm7nt
    @DEX-dm7nt 3 ปีที่แล้ว +1

    my owner’s manual said after starting the car drive away immediately, don’t sit and idle. I always wondered if I was understanding that right? Someone told me that you should turn off your accessories before you turn your car off. Ac radio

  • @Data4664
    @Data4664 3 ปีที่แล้ว +1

    Thnxs very good channel;) one of the best on TH-cam.

  • @kevinyung1743
    @kevinyung1743 4 หลายเดือนก่อน

    Thank you for your knowledge, from now on I rev bomb my car on cold starts and it seems to warm up way faster than before, also I never knew about my brake lights, I now check my blinker fluid as well❤

  • @nicolehall8204
    @nicolehall8204 2 ปีที่แล้ว

    What's the best exhaust cleaner for a X5 2005 BMW please and thank you

  • @tealeaf1215
    @tealeaf1215 2 ปีที่แล้ว

    I have had my bmw 1 series last 4 years and it's 2014 model, i have been servicing my car by myself last 4 years and so far i have not even a single issue (touch wood). I'm ve4y happy with my car and hopefully it won't trouble me for long time

  • @mysticchords
    @mysticchords ปีที่แล้ว

    My 'anti-trap' electric window indicator has suddenly come on.. I've tried a reset from another video which suggests holding the window button down for 15 seconds but still the 'anti-trap' warning light keeps coming on.. Any insights as to how I rectify this? It's a BMW 1 series.. 54 plate..

  • @georgesalagas3383
    @georgesalagas3383 2 ปีที่แล้ว

    Wow great very helpful, thanks

  • @flybobbie1449
    @flybobbie1449 2 ปีที่แล้ว

    Z4 E89, if i switch ignition on for several seconds and then switch off. Then start, my car seems to go like stink. Is something reset. I know pumping throttle on a MGTF would reset the engine management.

  • @robb9863
    @robb9863 3 ปีที่แล้ว

    How much oil should be in the intercooler? And if it's there is it passing through the lci vortex breather

  • @alfredlamarca4985
    @alfredlamarca4985 ปีที่แล้ว

    Doc I have a question especially winter times here in Canada and it’s getting colder my question is why always pop up in my
    Dashboard the Battery Discharged especially if the temperture is -20 up . Thank you

  • @kushgodkg7265
    @kushgodkg7265 3 ปีที่แล้ว +1

    Ay thank you once again i just got my bmw & nobody tell u any of this specially the indicator red line meter that tells if your car is warm enough to rev that engine..

  • @Pitirisek
    @Pitirisek หลายเดือนก่อน

    Can anybody say what is ideal and what is minimum temperature in cooling system for engine to be run from idle?
    Thanks a lot.

  • @AkuPuuhaa
    @AkuPuuhaa 2 ปีที่แล้ว

    Hello BMW Doctor! You said that sitting in a car and trying to warm up by letting it idle is wrong. If I try to drive off immediately after starting I get the "engine fault, reduced power" -notification. That isn't normal, is it? If I let it warm up for 50 seconds the notification won't come up. The car is 523i e60 LCI N53b25. Hope you see this!

  • @biggur5
    @biggur5 ปีที่แล้ว

    I've watched quiet a few of your vids and want some advise about my car. It's a 2010 f10 525d n57 150k miles. Timing chain was replaced 4 hrs ago at about 100kmiles. Few weeks ago car suddenly lost power and stopped and wouldnt tick over to start. Recovery came out and said it was hpfp. Garage also said the same and so changed hpfp and all 6 injectors. Now garage said it still not working because timing chain and tensioners are damaged. I know this engine has timing chain issues but should it break so soon after only approx 50k miles?? Its the same garage that fixed it before (they sent it somewhere else to fix it) I'm expecting a big bill so I would be grateful for some advise which I can then use to negotiate on price) . Thanks

  • @agentdoubleo7636
    @agentdoubleo7636 ปีที่แล้ว

    Every morning in the winter I start up my BMW and put the pedal the medal floor it and drive off. It's very good for your car

  • @darrenmorgan6735
    @darrenmorgan6735 2 ปีที่แล้ว +1

    Question I got a bmw 330td which has been remapped as its an ex police car but I notice power is low. But someone said I need a new heater fuel filter would this make a difference in performance??

  • @mariusstanescu5450
    @mariusstanescu5450 ปีที่แล้ว +1

    It’s good you said leave the car heat up 5 min before driving.. was shocked you started with “drive right after turning your car on” thing😅 a lot of people don’t also know to let the dashboard clear of lights before turning engine on, very important for fluids to start circulating😊

  • @chrisneil862
    @chrisneil862 3 ปีที่แล้ว

    So this no warm up apply for us in the US with secondary air pump equipped cars? I always wait until it shuts off.

  • @lordgarth1
    @lordgarth1 3 ปีที่แล้ว +3

    Mine electronically checks all lights including brakes. Don’t they all?

  • @bensavage1535
    @bensavage1535 3 ปีที่แล้ว

    Need your advice
    I changed gearbox oil and filter on my 525d e60 automatic and since then it doesn't like changing up through the gears when it's warm
    Any ideas
    Thanks

  • @John-ko8kr
    @John-ko8kr หลายเดือนก่อน

    ok so don't stationary the car but drive off is the proper way to warm up the engine/oil. But the gearbox needs '5 min to warm up and drive off' ??' so what is it?

  • @buddyb.9496
    @buddyb.9496 2 ปีที่แล้ว

    question see the right side ride line, why does the redline change to normal but the bottommpg will stay at let say the bottom 16. whhy? is this normal? the gear and everything will shift but that wont move unless i release on the gas.. hope this is normal??

  • @Z0NKO
    @Z0NKO 2 ปีที่แล้ว +2

    Every TURBO car must work 1:30 min on neutral gear before you go and 1:30 min on neutral gear after you stop! Every turbo engineer recommends that! The Turbo must be in the right conditions!

  • @WizCreates
    @WizCreates 3 ปีที่แล้ว +1

    Thanks man.

  • @aidyledgard4582
    @aidyledgard4582 2 ปีที่แล้ว +1

    Thing is, if you drive off immediately from cold engine, there's no oil to lubricate the top of the engine so eventually you'll end up with cam wear and also with turbo charged engines it will damage the turbo. I always let it idle for 30 seconds or so. Same on shutdown, if driven straight from high speed, best to let it idle for a minute or so to prevent carbon build up.
    My car has 247k and I've done most of those miles. A lot of people keep the clutch pedal down at lights in gear or 'ride it' waiting for the lights to go green. Big no no it will wear it out. I always leave it in neutral unless for the briefest of stops. My clutch lasted for 220k on original one and even then it wasn't slipping, it was the DMF that 'went'.

  • @roberthorton7068
    @roberthorton7068 3 ปีที่แล้ว +53

    Hi Doc, need clarification on two points that appear to contradictory. You said not to allow the car to sit and idle when you start up, to drive right away to protect seals and get oil cycling. Then when you talk about the automatic gearbox you say to wait 5 mins for the fluid to warm up. Since you can't do both, drive right away and wait 5 mins, which is the correct advice? Since I find most of your other videos informative, I wanted to seek clarification before I give it a thumbs up.

    • @NDakovic
      @NDakovic 3 ปีที่แล้ว +4

      @@mikesw87 and it takes eternity in Winter for oil to warm up, even up to half hour...

    • @J4Z666
      @J4Z666 3 ปีที่แล้ว +3

      Don't forget to get a spare sump plug in case your neighbours don't like you

    • @rotorblade9508
      @rotorblade9508 3 ปีที่แล้ว

      I run the rpm from 700to 2000 repeatedly for 4 min to warm up so no idle no gearbox running cold

    • @Showing_the_car_
      @Showing_the_car_ 3 ปีที่แล้ว +2

      @@J4Z666 or... get spare neighbours.

    • @bumfluff4133
      @bumfluff4133 3 ปีที่แล้ว +1

      A car is fine to sit and idle lol unless you have a dodgy thermostat but it would need to be sitting a good 20minutes or more to do damage

  • @saidahmed1028
    @saidahmed1028 ปีที่แล้ว

    Very useful tips thanks .

  • @JayJay-de5jv
    @JayJay-de5jv 2 ปีที่แล้ว

    Love how big bro explained the haters.👍🏿👍🏿👍🏿

  • @nickjac209
    @nickjac209 3 ปีที่แล้ว +1

    Bro, I love your videos. I've got a 2004 745Li in the states and it's a true love/hate relationship we have. This forte valve stem seal conditioner is my last resort with trying to get the engine to stop burning oil. I can't pass smog, so I can't register it, and the sheriff's are ticketing me and threatening to impound my car. But I can't buy it. I follow the link but it says it's not available to ship to me. Any suggestion of where to buy it stateside or any stories you heard from a guy that knows a guy would be much appreciated.
    Love and Respect from the 209

  • @nickkip459
    @nickkip459 3 ปีที่แล้ว

    Do you have a garage or offer any type of mechanical service. I have a 330d low boost I would like u to have a look at?

  • @jth1703
    @jth1703 3 ปีที่แล้ว +10

    Well done, many people start and go!!! 🏃‍♂️💨💨💨💨💨

  • @IntrusoIntrumetido
    @IntrusoIntrumetido 3 ปีที่แล้ว

    Hi
    good videos...
    my F11 start at few weeks ago showing a strange error! 023800 - EHC: transport mode active
    sometimes, limits power!!!
    you know how fix it with ISTA ?

  • @scotwilson4169
    @scotwilson4169 2 ปีที่แล้ว

    100% agree on the tyres, it notice other peoples cars within second if they've got a slightly deflated tyre. I don't know how people don't notice this. I rode motorbike long before I was driving cars (still do btw) and you notice it straight away if there's even 1 or 2 psi low in the front or rear.
    Another reason you eluded to on why to check is.... Money 😅 If they're too soft or too hard it will wear out your tyres quicker and coat you more money.

  • @jonathangalang2570
    @jonathangalang2570 3 ปีที่แล้ว +18

    A major issue with not warming up your car especially during winter is lubrication. Many tests have been performed with various oils on how fast they flow during the winter. This is the main reason why it is a good idea to warm up your car. It gives time for the oil to do its job and lubricate the parts it needs to lubricate!

    • @michaelbamber4887
      @michaelbamber4887 3 ปีที่แล้ว +3

      Just drive off straight away, even bmw manual tells you too drive off as soon as you start. The oil is going around as soon as the oil light goes out. All that is bollocks from old times, this is why modern oil is 5w40 or even 0w30.

  • @kirkclifton70
    @kirkclifton70 3 ปีที่แล้ว

    Very informative Dean

  • @samsonbendiksen7290
    @samsonbendiksen7290 3 ปีที่แล้ว +7

    what do you think is a reasonable rpm range for a cold engine? here in norway we usually try to stay below 2.5k/3k rpm on cold engines.

    • @niklasnaper6596
      @niklasnaper6596 2 ปีที่แล้ว

      Så lavt som mulig, jeg holder rpm under 2000 på kald motor

  • @fivedotsdave9723
    @fivedotsdave9723 11 หลายเดือนก่อน

    My Audi has no dip stick and the engine has to run for at least two minutes before the electronic oil level gauge will work, so if I am going on a journey and want to check the levels I have to let the engine idle (which I know is good practice)

  • @martincassels7995
    @martincassels7995 3 ปีที่แล้ว

    Good advice, so many people have no clue

  • @danbrown4110
    @danbrown4110 2 ปีที่แล้ว +22

    Letting your engine warm up is absolutely something you should do. Cars run rough when cold because there’s very slight play in the pistons and other engine components, you should always allow the metal to expand to size before driving. It’s very bad to jump in and set off straight away and ends up wearing piston rings because that very slight play in piston movement gives the rings a slight knock against the cylinders

    • @48hourrecordsteam45
      @48hourrecordsteam45 2 ปีที่แล้ว

      My neighbor never warms up her car, just start and put it in drive and her engine is still fine in over 15 years 🤔 I warm up my car and drive off as soon as the temperature gage moves or sometime let it idle until it’s normal tuning temp and now I have bad valve seals which was just changed in 3 years

    • @anton3437
      @anton3437 2 ปีที่แล้ว +1

      It depends on the temperature. If it’s really cold like -20c then of course you should let it warm up for 2-5 mins before you start driving, if you dont have an engine heater. If it’s -5c or warmer then i usually start driving almost right away. But i always no matter if its winter or summer never go past 2500rpm until the coolant is warm. It takes usually atleast 20minutes for my oil temperature to get to operating temperature and then you can rev it.
      You engine warms up quicker when you actually have a load on it and you are moving rather than idling.

    • @ts0874
      @ts0874 ปีที่แล้ว

      Incorrect, sitting and idling to warm up for extended periods is bad, they are designed to be driven when cold as they warm up quicker than idling. the clearances between rings cylinders bearings etc is all accounted for in engine design and doesnt need to be accounted for while warming the car up

  • @michaelmcclain629
    @michaelmcclain629 2 ปีที่แล้ว +4

    Lol video obviously made by someone who lives where it doesn't get -20C or colder in the winter.

  • @harrisj2278
    @harrisj2278 3 ปีที่แล้ว +1

    What is the correct tyre pressure of these bmw’s? It’s an age old debate I have a squared set up and have set them
    All to 36psi should it be as per the door jam? Great video as always Dean

    • @davebeat
      @davebeat 2 ปีที่แล้ว +1

      The recommended tyre pressure It's written on the vin plate on the driver's side doorframe.

    • @L39T
      @L39T 2 ปีที่แล้ว

      50 psi

  • @ASRmann
    @ASRmann 3 ปีที่แล้ว +2

    Great video 👌

  • @zeroatomfault
    @zeroatomfault 3 ปีที่แล้ว +18

    If you drive a cold engine right away and don't go easy for a few miles won't the pistons and rings expand at a faster rate than the engine block and cause extra friction?

    • @m1sawajapan
      @m1sawajapan 2 ปีที่แล้ว +1

      I was told not to drive the car above 3k rev for several minutes. You’ll feel the car’s tranny warming up. I’ve been doing that for 10 years with no issues.

    • @carlyletom301
      @carlyletom301 2 ปีที่แล้ว

      @@m1sawajapan It's best to keep the car under 30mph. That way you are still on your way and the engine warms faster than just idling.

  • @mattheweburns
    @mattheweburns ปีที่แล้ว

    2:40 at least 2003 BMWs have an indicator light on the dash if any of your bulbs are not properly working whether they are being used or not. Awesome feature but yeah means you don’t have to check your bulbs manually.

  • @musictubesu.s.3530
    @musictubesu.s.3530 2 ปีที่แล้ว

    Hello ,here are few begginer questions .
    When you turn only electronics on does that count as a start up or is it only when you ignite the engine ? Also i've got the info that if the car is stationary for few weeks is enough to turn the electronics on for a few minutes for a sound battery life . Thanks

    • @dopiaza2006
      @dopiaza2006 2 ปีที่แล้ว +1

      You will drain your battery if you turn on electrics without startingthe engine.

  • @brandonrenwick9125
    @brandonrenwick9125 2 ปีที่แล้ว +1

    anything below 50F or 10C and I will let my car warm up before driving, how long depends on how cold it is. not completely either just enough to get some heat coming out of the vents. unless its snowing or ice then its full warm up. name one race team that doesn't warm up the engine before starting a race?? why because it makes the engine last longer. and yes it is bad for the engine to excessively idle but its also bad to run an engine at operating speed while cold as well

  • @Hennrixx
    @Hennrixx 3 ปีที่แล้ว +6

    There is some things two mention about your points here, I’ll not comment on all, just a few: the reason some/manycountries don’t want people to stand still while the car is idleing is not because of the oilpressure! It’s because of the pollusion, same with start/stop. The reason they came up with that is exactly the same.

  • @richardmurray2068
    @richardmurray2068 3 ปีที่แล้ว +2

    Hi Doc...why Is there no temperature gauge on my E90 320D, why did they decide to not have one any more?

    • @jaybee7291
      @jaybee7291 3 ปีที่แล้ว

      If its like the E60 buddy its on the right outerside of the rev counter just above the redline.... it took me a while to work out where it was on the E60 until a mate pointed it out. I would imagine your E90 will be the same 👍

  • @bawethusydney803
    @bawethusydney803 3 ปีที่แล้ว +1

    Great video. I have an e90 2009 N52B25 323i what can i do to make it perform like a 325i 160kw

    • @JoaoOliveira-tc3fi
      @JoaoOliveira-tc3fi 3 ปีที่แล้ว

      I have a 325i e92 n52b25af, i think it's just a tune thing, not sure... in the case of n52b30 on the 325i it's all another level same hp/kw, but more torque and takes less time to respond. Hope i had help u

  • @jamiestanley8774
    @jamiestanley8774 2 ปีที่แล้ว

    Hi kiwi here 1st bmw owner . Can the valve cover on my 2008 525i n52 i think be changed from plastic to magnesium ?????
    Cheers

  • @Daxman360
    @Daxman360 2 ปีที่แล้ว +3

    In one part you said don't let the car warm up. In another you basically said let the car warm up lol

    • @cafemenusystems6339
      @cafemenusystems6339 4 หลายเดือนก่อน

      Yes, I notice that and was going to comment...

  • @Wix11ven
    @Wix11ven 2 หลายเดือนก่อน

    I start my engine and wait 30-45 seconds until the revs come down before driving off, is this wrong?

  • @muhamedalgjaratlli7665
    @muhamedalgjaratlli7665 3 ปีที่แล้ว +5

    Doc,one important question,,when i start my car do i have to wait for gearbox to get warm or drive emmdiately in the winter ? i have automatic gearbox, thanks and best regards

    • @zeroatomfault
      @zeroatomfault 3 ปีที่แล้ว +1

      Your gearbox will not really get warm until it is driving the car along the road.

  • @bogdankiba5899
    @bogdankiba5899 3 ปีที่แล้ว

    Hey Dean, on a diesel engine should i wait until the revs go lower after a cold start and then move on ? And also what about shifting the gearbox into D while waiting for the revs to go down ? Thank you.

    • @unpopularopinionz
      @unpopularopinionz 2 ปีที่แล้ว

      I think he said specifically that diesel engines should be start and go.. idle is very bad for the engine cause the oil isnt getting to the top of the motor. It only does when vehicle is in motion

    • @Luton-Mick
      @Luton-Mick 2 ปีที่แล้ว +1

      @@unpopularopinionz So the oil pump only begins to work when the revs rise and the wheels turn? Must be a lot of busted Scanias and Volvos out there, try driving straight off in a a cold start HGV and see what happens, not a lot, especially to your brakes when you need them! Then you have fridge motors on trailers that constantly idle for days at a time, they're diesel engines? London cabs, again idle most of their hard half million mile+ lives.

  • @giothe0ne559
    @giothe0ne559 ปีที่แล้ว

    Yo bro my 530i xi 06 cluster light won’t turn on but car starts fine i need help Asap i was Thinking a fuse is bad ? Any suggestions??

  • @smtvtravel8
    @smtvtravel8 2 ปีที่แล้ว

    the engine should be warm up in 3-4 minutes before using the vehicle in this case the engine oil allows to lubricate all the bearings like main journal,crankshaft,con-rod,camshaft and rocker arm,and piston.
    This will prevent wear and tear and the engine will have a life longer.
    Let’s say if you doing exercise or work out what you do first?
    You’re warning up right?otherwise you’ll worn out if you running straight away so is the same with the engine…

  • @racerlance
    @racerlance 2 ปีที่แล้ว

    I have an issue with an 04 BMW 646ci that the radiator fan is on high as soon as I start the car and to add to that the a/c has stopped working. I've changed the sensors, thermostat, a/c compressor, receiver dryer and the radiator fan. Have you experienced these issues and or what do you recommend for the fix?

    • @8RuTu5
      @8RuTu5 2 ปีที่แล้ว

      Have you found a solution?

  • @mazharabe2967
    @mazharabe2967 2 ปีที่แล้ว

    I need help to fix my BMW X1 E84. Not starting, possible CAS module failure or IBS. Help help help

  • @allothernamesbutthis
    @allothernamesbutthis 3 ปีที่แล้ว

    what's the worse make you see for not indicating? mine has to be toyota or mercedes.

  • @jb8243
    @jb8243 2 ปีที่แล้ว

    The best way to check all lights together is to turn on the lights and the emergency flashers they are same bulb as brake and turn signal marker bulbs so one works they all do besides the park lamps

    • @zoobs555
      @zoobs555 2 ปีที่แล้ว

      Not in the EU. Brake lights and indicator lights are different. In the USA however they are the same.

  • @Athstavr24
    @Athstavr24 2 ปีที่แล้ว

    Hey guys does anybody know what are these green arrows on the dash that point left and right?? That the first time I see them, they look really cool !!!😂😂😅😅

  • @1mitchmugga
    @1mitchmugga 3 ปีที่แล้ว +1

    HOW DO I FIGURE OUT WHEN I SHOULD CHANGE MY TRANSMISSION FLUID 06 530XI?

    • @scottbarnes4549
      @scottbarnes4549 3 ปีที่แล้ว

      MITCH look in your car’s manual under maintenance.

  • @freedom14639
    @freedom14639 2 ปีที่แล้ว

    Starting your car on a cold morning thats been left over night or for 14hr shift at work is ok to run from start up but just take it easy for 5 minutes. meaning dont be blasting it down the motorway or hard driving within first 5 minutes and try to keep under 2k revs letting your engine to get to operating temperature. then hit fun mode.

  • @hertfordshirespecialistcar3914
    @hertfordshirespecialistcar3914 3 ปีที่แล้ว

    Dean do you have a workshop mate I have an E46 M3 I wouldn’t mind getting you to look at if possible mate

  • @vascallwelch3988
    @vascallwelch3988 2 ปีที่แล้ว

    Hi Dean how do i focus in my valtronic motor on E60

  • @etienlemut1777
    @etienlemut1777 2 ปีที่แล้ว

    Informative.

  • @Evan050561
    @Evan050561 2 ปีที่แล้ว

    I have the 2010 X5 35D and really love this beast but....currently the "instrument Cluster" does not wake up upon starting the engine. If I disconnect the cable that connects to the cluster it comes alive. Sometimes the time on the cluster is good, sometimes I have to set the time. Once I have the cluster "active" it works perfectly. It's only after shutting the engine off and ten minutes parked that it fails again. If I start the car up within that first ten minutes of shutting it off the cluster will come alive. Battery is good and I'm thinking it may be the JBE.

  • @Max_G43
    @Max_G43 2 ปีที่แล้ว

    I always run a space heater under the hood for 10-20 minutes before starting

  • @johnnywalker5635
    @johnnywalker5635 3 ปีที่แล้ว

    The most important thing to check is your brake lights? What!? Wouldn’t it be engine oil level?

  • @georgesalagas3383
    @georgesalagas3383 2 ปีที่แล้ว

    I have this BMW 116i 2008 i set the time and date but after i stop the car the time and date is off again .

  • @zeothorn
    @zeothorn 2 ปีที่แล้ว

    About the break light,if you don't have the 3rd break light on the rear screen and you have two break lights and only one breaking light is working then you are liable in any accident even if is not your fault,that's the reason the police will stop you.And remember most of cars these days have a camera recorder

  • @VanquishMediaDE
    @VanquishMediaDE 2 ปีที่แล้ว +1

    I will have you know as a proper BMW driver (Swiss) we take indicator lamps very seriously, it is the Anglos that are the culprits of not using indicators!

  • @isrealperez9069
    @isrealperez9069 3 ปีที่แล้ว

    My car isn't like that I have a key what do you know about p1093 and bank 2 rich condition

  • @ondagrande7225
    @ondagrande7225 3 ปีที่แล้ว +2

    Good video
    But don't call people stupid, stupid.
    Are you smart?
    Keep it to yourself ,don't share your knowledge, if you want to disrespect them.