BMW E46 Mechanical Fan To Electric Fan Conversion DIY
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- เผยแพร่เมื่อ 8 ก.ย. 2024
- I show you how to change your mechanical fan to an electric fan on your BMW E46. I did this particular video on a 2002 BMW 325i but can be used for any E46. I will explain in detail in the video.
E46 Electric Fan:
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Yep, you are totally correct. The fan on my 1998 540i blew up last week. It knocked off the cooling hose going into the radiator but the worst damage was tearing up the hood liner and putting a crease in the hood.
I thought my belt slipped off and snapped after I floored it but it was the fan exploding that cause havoc.
Same shit just happened to me
The same day I replaced the hood :(
@@racks1711 Dang!! That stinks! Were you replacing the hood because of damage from a previous exploding fan?
@@racks1711did you get the hood covered by your insurance?
Wow !
Saved me a lot of time troubleshooting and executing. Thank you for a good idea and an EXCELLENT presentation.
All your videos are excellent! You do a great job of explaining things
Two questions
1-Did you notice deleting the clutch fan freed up any hp to the engine?
2-Are you sure one electric fan can cool as much as both the old clutch fan and the ax aux electric fan? I would be nervous it wouldn't cool enough with only one fan.
I encourage everyone to do this!! My manual fan blew and and damaged, the radiator, expansion tank, power steering reservoir and the water pump. Did all the work myself and it cost me about $400 for parts. Convert to the electric fan and save yourself a lot of money and the hassle
Hi I have a question where can I get the fan from? What kind of car does that come off
@@bettyferman6553 any e46 MANUAL
@@bettyferman6553 READ THE FKING DESCRIPTION, kinda. ily
Great video.
I will be doing this job tomorrow.
Thank you I didn't know I could rent the tools from the auto part store
I just did this conversion on my ladies 03 325xi. Honestly the hardest part was lining up the slots on the side and bottom. The old fan came off really easy and was surprisingly heavy. Once I work out the other bugs I expect this will increase the acceleration. This took maybe 15 mins tops. The other issue that took most of the time in the garage
Good luck… it almost cost me an engine…electric fan went out and car overhead, it only lasted 6monts
@@georgeteo8797so not to replace it? The manual e46 has the electric fan.
to remove a super frozen fan ive used an air chisel on the bolt Works excellent
Best video on this i've seen , and i've watched about a dozen oven
Saved hella money converting it instead of getting all the parts for the manual fan
hey man thank you so much , this video helped me out alot ! saved me money on not buying an auxiliary fan as well !
You are the master of life teachers. You are the best 👌.
I think you have to remove the auxiliary fan to clear the air going thru.
nagyon ügyes a fiatal ember várjuk a további videókat. üdv. magyarország
Great job Jason! Your vids make me feel really comfortable doing this! Keep up the great work!
Hi, excellent video. Where did you get the electric fan. Or what BMW model it is, it is seen that it is used. Thank you.
He says at 0:35 all manual e46's came with electric fans except the m3. I missed it the first time too.
Thank you much Shop life TV. Gr8 talk.
So, just to be clear, you said the auxiliary fan, which uses the same motor as the manual electric fan, only comes on when the AC is on or if engine "over heats". First off, the fan doesn't come on when the engine overheats. The fan comes on by direction of the coolant temperature on both automatic and manual cars. When the coolant temperature reaches a certain point, the fan turns on. The only difference here now is you went from a pusher fan to a puller fan. The function of the electric fan is to cool hot coolant when the car is not moving, at speed, fans will do little, if anything to cool the coolant. It seems that people get all freaked out thinking that if they remove the manual fan, all of the sudden the car is going to overheat.
Thanks for the information good job, could you give me the information which car model I should look for that used fan
Thank you bud for the information...!!! Been pondering this option for a while now. Today, replacing the radiator, expansion tank, couple hoses AND gonna' try this mod as well. LOVE the car, hate the cooling issues since i bought it... hahahaha. (car is worth it to me though...) :)
I hope you can help me with a problem I have on a BMW 330i. Everytime I unplug my auxiliary temperature switch the fan kicks on. When I plug it back in it shuts off. I dont understand why.
Thank you for the help i did my radiator and my belt thanks to your videos 👌👌🙏🙏
How is this fan controlled? Surely you would have to put in some kind of coolant temp switch to turn it on when the temp exceeds a set point otherwise how will it come on at the right time? At least with the clutch fan you know it is always running even when its not strictly needed.
soundseeker63 i converted my fan a while ago and it turns on when the car gets hot
Thank you so much for this video. You have really helped me out. Best Wishes from England. :)
Very thoroughly explanation. Thanks.
G tobol
Basically, pretty much good info. Thanks!
Great information, narration and camera work in your videos!
Can this be done on a e46 m3? Awesome video!
Hi there, thanks for your help about working in BMW, l have a 330ci year 2006 having issues with temperature, already change water pump, thermostat, but still heating up, somebody told me is the electric water pump, may you please help me teaching how to test it and how to replace it, thanks so much for your kindness and GOD BLESS YOU
My fan jus blew up yesterday and took out my radiator😤😤😤
Can you do a video on how to remove the front bumper so we can remove the aux fan? Thanks bro, loved your video btw. I did this mod like 2 yrs ago on my 2003 330i and it works amazingly, I just haven't removed the aux fan due to not knowing how to remove the front bumper.
+Rene G. Solis For sure. Thanks for watching!
Thanks alot, this is really helpful
My mech fan comes off with just a big open-ended wrench thankfully. Just bought an electric fan from junkyard for less than $15 and the production date was in 2011. Let's hope it works.
Thank you so much for making this video.
So to be clear, if we have a Manual E46 it comes with an electric fan?
Yes
@@ShopLifeTV Except if you have an early build.
So what electrical conection u use for the new fan !! What did u conected to i dnt get it
So there was already a plug for the new electric fan
nando4755 yes all plug and play
I like your videos very much, but I'm not sure about what you acheived here. How do you have the aux fan connected to cool the radiator if you are using that connection to power the newly installed electric fan ? The viscous fan cools the engine as it heats up and the aux fan cools the water in the radiator. In your video you show only one fan connected and that will lead to an overheating engine when car is stationary. Also what direction is the air flow for the electric fan that you installed ? is directed at the engine (which is what is should be) or is it directed at the radiator ?
I did this conversion on my 2005 330ci and I saw on a e46 group where they also replaced the thermostat so the “auxiliary” fan would cut on at a lower temperature. Does anyone know the part number or where to get that thermostat? Thank you for the video.
Very very very helpful Thank you
Great video once again, thanks.
Do you still have the Vehicle? If yes, maybe do an update and tell People about it? Like Mileage, Cranks, and Heating, etc....??? THANK YOU !!!
Nice swap! I'm a little unclear as to how you reconnect the wires. Could you explain what goes where in a little more detail? And what happens to the front ac fan? Thanks
+Tom Canada Thanks! You are eliminating the a/c pusher fan and using that connector for the electric puller fan. Let me know if you have any other questions.
@@ShopLifeTV What if you have a manual? any benefits to this over the front fan?
what do you mean keep the old one for back up? it wasn't plugged in to anything. or do mean keep the front fan installed, in case your fan failed, you could plug the front range in to get you home?
I think so makes sense I have the opposite my ac fan blew up nd I'm left with a clutch fan nd no shroud
how it will work on Automatic transmission?
Hey man, great video!
Can you leave the fan at the front still in or does it need to be removed??
What model the eletrik fan brother?
Do you have an example for e46 m3?
Love your videos. I shop BMW parts stores online that sell OEM parts along side aftermarket parts. The OEM fan is twice as expensive as aftermarket fans. Do you prefer OEM vs aftermarket when making repairs?
If you leave your aux fan disconnected, doesn't that prevent your AC from turning on?
At the very beginning of the video, you said that the new fan was going to replace the old auxiliary fan also, So why didn't you take it out? Is it just sitting at the front of the radiator doing nothing now? 🤔
Your awesome dude keep it up 👍👍👍
please explain how this fan knows when to turn on ?
You unplug your front aux fan connection and plug it in to the radiator one don't need to front any more
It turns on when the car reaches operating temperature
The coolant temp sensor that plugs into the radiator controls the aux fan. It will keep the coolant temp in a range so it will cycle on and off when at idle and low speeds where there is no air passing throw the radiator while driving.
@@klinatoc a lot of people seem to be tripping out about this part especially if you have an AC obviously you want to run it what happens does your fan come on does the AC still work and like he just said yes it all runs off of temperature reading
Is it all plug and play? No coding needed?
fan tools might brake the water pump pully since they are made from plastic just use the long wrench and hit it with hammer
Love your channel ! Has been a great help to me in looking after my 320i E46 here in New Zealand. Question: I want to get rid of the manual clutch fan. Can I remove it and stick with just the A/C fan or do I have to install an electric fan on the engine bay side? Thoughts......cheers
I have the same question.... do you have any information??
@@gustavoalbertotapia6433 I ended up just removing the clutch fan a couple of years ago now and sticking with the AC fan only, did not change anything else and left it in its original position and it has worked perfectly and holds the temperature exactly where it needs to be. Just run the car at idle after removing the clutch fan with AC off and check that it automatically comes on when the car temperature gets up. Cheers.
I don't know if you still have the car but somebody just told me that the reason the clutch fan is on automatic is because the extra heat created from the automatic transmission needs the constant air flow apparently. I was kind of concerned with that and that's why I watch this video, I've had my electric fan in for years now and not really had issues@@crooky66west
Quick question so when you do this conversion does the fan stay on consistent or only when it overheats/A.c. is running?
Alex D my fan turns on when it gets hot.. but I’m having an issue with it . Now when I turn off the car it will stay on
Alex D I'm wondering the same thing have you got an update?
Bunchkin and amon, i dont have yet bmw (if im lucky ill be able to buy one for my birthday) but i had that issue on my current car (renault laguna) too! It pissed me off cuz it drained my battery out in less then hour so i literaly experiment till i found solution for my case. It turns out simply replacement of relay fixed the problem (costed me 5euro, bmw's should be maybe euro or two more expensive dunno prices yet). If u try that Hope that worked out for ya. (make sure u stick to original components for ur car though). Other thing that pops on my mind could be wiring.
@@keither89 ,
Its completely normal if the fan spin for a few minutes and then its turns itself off as its cooling certain things from heat-soak.
Here in 2024 for this job lol. Why auto 325i ones did not come with electric fans, like the manual ones?
Great Video! Thanks!
Good info
Thanks a lot
Thank you very much for these videos. I am wondering whether this electric fan fits the E38 7 series from 1995-2001. I have a 1998 and a 2001 7 series. Please let me know whether there is a plug and play aftermarket fan available online.
I've watched a lot of videos on this and yours saved my day.
Hey brother love your videos both old and new. My 2000 323CI has a bad fan clutch! Does the 2000 year model E46 have the electrical connectors to make the conversion to electric?
Did this to my 335ci, everytime i plug the fan in (keys not in ignition) the fan comes on, and never turns off. I do not have the outside air temp sensor (in the bottom side of the bumper), could this be why the fan never shuts off?
I have a BMW 540i and Am replacing the Radiator fan to an electric fan . Where can I get a fan with all the stuff yo just put on like on your video.
Hey thanks for the video it’s was really helpful, but I ran into another problem the fan won’t turn kick on even with car at running temperature what can I do to diagnose this problem
Great video, thank You. If you don't use fan clutch removal tool but instead use only 32mm wrench and hit it with the hammer clockwise, can fan clutch be damaged by doing so?
I knew a BMW master mechanic who used to do it that way. He would also put the fan on by starting the engine and hanging the fan next to the rotating shaft. It would thread itself on. 😂 I would absolutely not recommend putting the fan on that way!
What part number is that electric fan assembly?
electric fans did not come on all manual e46's. i drive a 99 328i 5 speed. with a stock manual fan clutch.
2004 325ci all factory 5 speed doesn't have a e fan either
he means the efan in front primarily known as AUX FAN for your condenser. they all have that fan. that is the actual fan he is using in the video, but he is utilizing it as a radiator fan. hope that clears things up
+ForeignDomesticRacing u just answered my question.. because he never detailed what fan he's using.. but I thank u.. fr
I have a 99 328i 5spd too and it has a manual fan. I'm actually going to go ahead and swap. Looks super easy and I get annoyed with the manual fan job.
@@ForeignDomesticRacing for real, so all we gotta do is move it from the front of the radiator to the back?
will any of these videos relate to the 2006 M3 or no??
What about M3s? Some people asked and no answer. Thank you!
Does not apply to e46 m3s
Hello,
My name is Eric and i am in Rwanda in Africa. Well, I watched your video about the mechanical to electric fan modification and i also wanted to do it. I am a diy mechanic for Bmws and Mercedes only. So tell me, how do you get the electric fan to run after engine start without using the A/C compressor, I tried the modification but i was always putting it on together with the A/C and driving whole day with A/C isn't economic at all with fuel, is there any tip you can share with me so that I can have my e46 run much quieter. I am sorry am not a social media person that's why i used your email. Hope to hear from you very soon and I really highly appreciate your input to sharing what you know about these cars.
regards,
Eric
Epic content!!!
Do you need to program the new fan?
Heya Shoplife. Great vid as always. Can I ask if it's definitely ok to leave the Aux fan on? A few BMW forum threads I've read said that it has to come off. Any thoughts? Cheers
U found out coz I just took mine out
The part number for the electric fan?? Please thank you.
What wire did you tap into for the fan?
Did this upgrade few years back. Thanks.
Question how can you still keep the aux fan for ac connection if your using its plug 🔌. Is there an adapter that has 2 into 1 line?
Do the electrical fan works effectively with E46 automatic transmissions, in the long run? Also can i leave the auxilliary fan (pusher) to work with the puller one at same time, just there in case of emergency?
Would you think its a good idea to do on an M3 considering its a different engine?
Hello, is the fan the same for automatic or manual transmission?
I did this fan delete for my 2004 325i. One concern I had was that on my obdII gauge my temps would fluctuate from 96-100 and sometimes 105 but, at this point the electric fan would kick in but never stay on a constant(as you would expect the original aux fan to behave). I tested this on my friends 2005 330i ZSP and the electric fan came on around 90 and stayed on a constant lowspeed unless it reached 98 then would kick in high speed. I know the ZSP's are tuned alittle differently but I wondered how I could get my fan to behave the same. I tryed swapping the fans between the two to see if it was the fan itself but turned out the same. I've since bought an new used 2004 325ci auto and have noticed with the two fan set up my temps run a constant 95-96, and rarely peaks at 98 when in traffic at which time the aux switches on and brings it back down to 95.
I would consider doing this mod again but, only if there is some way to get the electric fan to kick on at lower temps and not let the temps spike up and down. Pardon my ignorance but I am not sure if this makes any difference at all but knowing these engines sensitivity to overheating I'd rather stick to whats proven. Searched the forums but no luck on how to adjust the behavior of the electrical fan. If anyone knows how PLS PLS PLS let me know, I've been looking for some time now.
The fans will cut on and off automatically to keep the car in a certain temp range. The fans are only really doing work when the car is standing still, otherwise airflow usually takes care of the rest when driving. As long as you have done maintenance to the cooling system, just relax and drive. Thanks for watching!
Can you exchange a manual fan for an automatic fan on a 325ci / 2005?
The 325ci is an automatic transmission.
or you can just get it tuned so that the fans come on sooner but 10 degrees temp isnt much tbh. Maintenance the cooking system and youll be fine
I replaced my fan to electric but its only work one speed
Do u know how to fix this??
Right now I used direct connect and its so load
Good videos
seeing as you have just swapped out the aux fan connector onto the new electric fan will it only come on when idling? also is this the same proccess on the m3
Am planning to do this conversion also on my 325i.This was really a gr8 video with clear understanding. How much would a used one cost. ( The electric one ).Thanx.
Used ones are around $80-100 . Thanks!
Great video. I have a question for all of u who reads this maybe someone ill know. Is there a eletric fan like this one for 5 serie (e39 bmw) with m54 engine? Ty in advance for answer
I Heard that it was bad to do this if you had an automatic transmission because your automatic transmission can overheat without a clutch fan is this true ?
Hi there ! Great video !! Can this conversion be done on a E38 728i 1998 Automatic ???? What's the part number for the electric fan please ?? Thanks !!
Is the regular electric fan, the one you disconnected, to "small" to use alone without the mechanical one? Great video!
+Erik B Yes the one behind the bumper is the auxillary fan, you should not use that one without a mechanical fan.
is a fan relay needed for this conversion? auto e46 325i here
Will this trick work on the 2001 x5 E53? the tabs seem to be the same to me!
Like your video Kool man thanks for the tips
Could we swap this out on a 320D automatic?
good vid. Why can't you just use the auto thermo only. As you are only using one thermo why not just the thermo that is there already
It has coolant and does not overheat help
What electric fan did you use? Is it the same as an electric fan from the manual?
Yes
I’m having trouble inserting it in my manual 325i. It’s really really snug and scratching the metals on the cooling fan
Hi Jason, I have a question about the 2000 z3 2.8 it's this can be work in this car I appreciate your help please thanks
Holy shit man I did not know this was possible.
Hello, very good, your videos, I congratulate you and thank you always for helping us ... I wanted to ask if I can use the same auxiliary fun of the A / C and change the plastic mounting piece to occupy it and remove my mechanical fan ... I would appreciate your help because I could not find any electric fun of another bmw e46 with electric fun for my e46 320i automatic transmission 2.2cc year 2004 in Chile can you help me with my question please
i wish the fan was on your amazon store
Question: Does a mechanical fan use up some of the Engines power?