How To Change Your BMW N54 O2 Oxygen Sensors DIY! Save $400!
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- เผยแพร่เมื่อ 8 ก.ย. 2024
- In this video, I'll show you the DIY on just how to change your N54 Primary O2 sensors! Come watch!
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Good source material, there's no better feeling when you own your vehicle title, and still save a lot of money doing your own repairs.
Mcgyver B Yep! 👍🏻 - love the feeling
Another great video! A small tip for others performing this repair you can actually unbolt and scoot the steering rack towards the front of vehicle a couple of inches for more room without harming anything. A lot of guys will do that when actually upgrading the downpipes to catless.
Anthony yep, perfectly fine and yes have to do it when doing downpipes.
BMW Fanatic when are you going to do downpipes? I installed ARM dp but im getting vibration. I might have installed it hitting the subframe or the heat shield.
Did you mean to put music over the part where your taking the engine cover off, I can't hear what your saying
Whew that's a tight space! Looking forward to seeing how big your boy is now, 6 years later!
Add "primary", "upstream" or "Sensor 1" in the title.
Great video!! Any video on changing the post catalyst sensors??
Hi, thanks for the video. if I researched correctly there are total of 4 sensors. I am assuming you replaced 2 sensors that are pre-cat , right? At what point do we need to replace the post cat , do you have a video for those as well?
it appears yes. i believe sensor 1 refers to pre-cat (aka. upstream, primary) and sensor 2 refers to post-cat
Sensors 2 are post cats and only throw codes they do not affect AFR(air fuel ratio) which is why if you have a tune they automatically(jb4) cancel bank 2 sensors because they are useless besides emissions
I'm at 72k so I probably don't need to swap mine out yet but figure I might as well do it when I do dp's soon since I hate pulling that damn panel off the bottom lol. Good vid my man thanks!
Mic Raw Yep! It's when people usually do change them out 👍🏻
Another great video. Your vanos video was amazing and really helped my cars running.
Love from the uk
Donutmandetailing
BEST VIDEO SO FAR . THANKS
so you did:
bank 1 sensor 1
bank 2 sensor 1
is that right?
Yes
Thanks man will be doing this tomorrow morning!
Great vid like always !! good to know it could save me some $$$ .
thanks for the video and the links. Do you have one for the other 2 O2 Sensors? THANKS!
Following
Are they both same not same product ? Can the cheaper one - Bosch 17098- be used in both location ?
Thanks for your time buy sharing the video
Try this on a RHD car, steering rack sits right in the way, what a PITA
Need some DIY to replace all 4 O2 Sensor on my N54 2009 BMW 335i any recommendation video thanks :)
Irving Alvarado I wouldn’t recommend replacing the rear two because it’s a waste of money unless you live in a emission state
Excellent! Just change mine and my car drives beautifully thanks!
Thank you so much for the video!
if you still running stock o2 sensors they will fail at 100k mine happend at 97k
what was the code? or the symptoms?
Same mine did at 99k
Mine have just gone at 155k after installing catless downpipes with mhd burble
Got a 2011 335i.
Mine just failed at 86K.
@@F82M4yvr what symptoms did you guys get
which sensors are the ones that are after the cat?
they would have to be bank 1 sensor 2 and bank 2 sensor 2 right?
I have the steering rack in the way and I can still remove both sensors without going under the car easy.
So my bank 2 is running rich at around 24+. How do I know whether it’s pre or post cat??
Great video!
Do you need special tool for any of the 4 sensors?
Great video, thanks!
+ICommandoI 👍🏻
If you have a 135i and are watching this, you will NOT be able to reach from underneath, at least not easily. The spacing is a lot tighter.
I have an n52 motor I believe the downstream o2 sensors are located in the same spot as the n54. My question was being that the downstream o2 sensors are close together is it possible to screw them into the wrong pipes? I know u cant mess up the connectors as they are different.
Is jacking the car really required? This seems different from the N51 that I have and I was thinking they would be similar but I don't think that's the case. Most videos show the N51 being replaced from the top and it appears to be in a very different location from N54. Great video as always though.
I just want to be clear, bank 2 sensor 1 can be removed from underneath the car ?
I stripped the second screw from the metal plate cover and I can’t get a good angle from the top so I’m wondering if going under the car will give me a better view / grip so I can try to unscrew it
What aftermarket rear brake disc and pads do you recommend? I was told that Zimmerman discs and Pagid pads are good.
if the o2 sensor is bad, could it could blue smoke and engine shaking on cold startup which goes away after 1 or 2mins?
Yes, my car does this too. All 6 injectors have been replaced, so I'm thinking 02 sensor.
Ha same here. I did the ignition coils and plugs already ordered the sensors.
Turbos are done.
My E60 2008 535xi shows 002C7E and 002C9F aftercut O2 sensor trim control Bank 1 , Aftercut O2 sensor heater input signal, the car feels lik spending much fuel (5km/L) and it doesn't feel smooth and there's light blue smoke from time to time with the oil burning smell but not always just from time to time usually when I drive little bit hard when I'm in a rush , can you guide me to the possible issues ?
2011 BMW 335is. I'm at 118k miles but I don't know how to tell if I need them. I'm 3rd owner bought at 82k miles. No record on replacing them. How do you know you need them? A tire shop told me I need them before I hit 120k. That at 120k they fail completely and need to be replaced immediately. What happens if they fail and I still drive it? Thanks!
a lot can happen - misfires is the most common... your cats can start glowing red / orange due to fuel burning at it which can cook your piston rings and cylinder walls... etc.
upper radiator hose just went wheres a good place to buy it? e60 535xi
StarboiiiGlobal Entertainment same thing happened to me two week ago and it cost me 95 bucks 😓
Is it the same procedure on the xi?
Were you actually getting a CEL or fuel trim issues, or you did this to be proactive?
Fuel trim issues / being proactive
Great video. I was wondering what setting did you put for 10 and 11 . Do set it higher or lower on setting 11 to make the throttle less sensitive
Tyler Banh I'm still at the default settings for those options
BMW Fanatic what's the default setting on 10 and 11 will I damage the transmission or anything if I set it too low or too high thanks
What were the indicators to suggest you needed to change these??
Craig Neale My AFR readings on my JB4 mobile app were all out of sync
Did you have any rough cold starts as a symptom? AFR reading out of sync under load?
Daniel G Cold air on a Turbo car doesn't do much since they feed into hot turbos. The gain with the DCI is that it makes the ease of targeting higher boost with the increase flow. Intake temps or heat soak would be tied to the intercooler, so a much needed upgrade 😀
Daniel G I have the AFE scoops and retain the stock system, so they get some good air flowing in there
did this end up fixing the issue? I am currently having issues with jb4 safety map switches and noticed afr and afr2 delta is too high. wondering if its vacuum leak or o2. 86k miles
Clicked on the amazon links and it does not fit a 335xi, yet it fits a 335i? Weird.
Not a fun job on RHD cars when the steering column sits right in the way...
Hi I’ve being getting code po171 on my 2008 335i do you know what code might that be or the meaning of that code I’m new with bmw and I learn the hard way on how not to take it to the dealership 😢
How can I test to see if my o2 sensors are bad? Is there someway I could private message you to see if you have an idea on my N54?
I have a few questions because my OB2 scanner says my o2 sensors are bad.. can you message me before this shop costs me a arm and leg.
+Adrian Inman what's going on?
Know where I can get all 4 02 sensors pre-cat & post-cat thanks
I get a p0420 circuit to low bank 1 also p0430 circuit to low bank 2, but it don't say sensor 1 or 2. Could this be cat related
Great DIY as always!
What’s the brand for Bank 1 O2 sensor?
It's hard to find a shorty 22mm
The map sensor in the engine bay that sits on top which part number would that be i understand the 335i n54 has two that look exactly the same its so irritating that there is no information on it the two map sensors look identical i think installed the wrong one Idk I'm bout to sell the damn car i won't pass smog unless that's resolved i put a new one service engine light came off now it's back on so stupid how there's no information on that stupid little part
could you show the guys where you positioned the jack stands
Denis V I'm making that video to focus on that piece
Why is the first three plus minutes of the vid music when you’re clearly talking?
I had issues with this video a few years after it was posted. Thanks for the reminder I’m going to fix that.
It’s not supposed to be like that
i changed my valve cover gasket a few weeks ago and cross switch my o2 sensors by mistake when I plugged them back in. the car ran like crap, would shake like a stripper on start up then I realized what I had done after doing some trouble shooting. problem went away but I still have the SES light. My friend reset and it came back on when I cut the car off and started it back up. I didn't have the light before my screw up. is there anyway to keep it off or do I have to get new sensors?
What’s the exact code that you’re getting? The codes should go away after you fixed it. Maybe a rare case to where another issues came up right at the same time
BMW Fanatic, was your engine bumping (quick bursts of slightly increased rpm) at stop lights (idle) before you switched out the old Oxygen sensor? Thanks a lot 2009 328i - 70,000
Jon Mathews, I have that situation now...
Would that be possibly an o2 issue.? I’m getting that now too
Could be vacuum leaks or carbon buildup i have bad o2 sensors and mine sits 600 flat
DID your old sensors show any CODES?
Do you think I should replace mine? I only have 57k miles on my 08 335i. Age of the car vs mileage. Thanks
+Joel Juguilon 100k
Miles then I would replace. If you have no codes for an O2, then I wouldn’t replace
I see you put the cowl back on , were you not happy with the burger air filters
Denis V They worked great! Doing a nice upgrade actually - pending at the moment 😀
I’m getting a P2098 code “post catalyst fuel trim system too lean bank 2” sounds like they would be the other O2 sensors huh? Any video on replacing those?
yes, bank1sensor1 and bank2sensor1 are pre-cat.... sensor2 is post
Don’t worry about post cat; unless you have emissions …
Lee, I'm wondering...could we use two 17098 sensors? Is the difference just the wire length? The 17098 sensor is $60 cheaper.
Koach K Yep, you could use the bank 1 for both. I was going to do that, but didn't want to confuse anyone
BMW Fanatic Thanks for confirming, Lee.
Hello I have a question cause you only replaced 2 sensors? On my car I am currently a DYI and the bmw dealership told me to replace my bank 2 pre cat and post cat?? You didn’t do neither of these
There are two more sensors under the passenger side of the car. Remove the splash guard from under the car and their should be two of them. Thats all I know.
Good luck!! Keep me updated!
pre-cat is primary aka upstream aka sensor 1.
post-cat = sensor 2
bank 2 = cylinders 4,5,6 in the rear
does anyone have a video of BANK 2 SENSOR 2 ?
Does it run now? Or is the issue larger than initially thought?
Mecha Fanboy so far so good with aft readings! Still looking at a few things to ensure that was it
BMW Fanatic good to hear!
Are those the original angel eye bulbs or aftermarket? I have some WeissLicht aftermarket LEDs and they aren't that great.
John Ballard LUX V6
John Ballard aftermarket
what brand?
ok got it.
John Ballard $125
Are the other 2 sensors,that easy to replace? I have a 2006 325I,by the way...
They are in tighter positions and will need some certain crowsfoot tools to get into that tight space.
BMW Fanatic. I need all o2 sensors for my 07 335 but i have downpipes.
Are one of the sensors you replaced bank 1 sensor 1?
@@basedtiger8984 i believe sensor 1 refers to upstream aka pre-cat so the answer would be yet
To finish the video up you could have started it at the end. :,(
Hey bro, how do i know if i need to replace my O2 sensors ?
+fadhel touq O2 codes “lambda” or AFR readings are not reading correctly like too lean or too rich
@@BMWFanatic awesome... did not know that... exactly the piece of information i was looking for!
What are AFR readings?
In regards to the lamda info, the shop told me I have a 2.228 reading for O2S1_WR_lambda(1): equivalence ratio, current...... do you know if that means anything bad?
The reading for O2S5_WR_lambda(1): equivalence ratio, current was 1.661
Is this still as easy with RHD UK model?
Hell no dude. Ive done mine along with downpipes on my RHD. Alot more difficult with the steering column in the way of everything.
Will these o2 sensors work on a 535xi
Saul Morales it should. Same engine
Are these the pre-cat sensors?
Pre-cat yep
@@BMWFanatic so pre-cat means sensor 1 right?
Btw no downpipes ?
Bbo Tsa Yep, for right at the moment
You have great timing, just found out I need to replace my O2 sensors right as this video came out! Two questions:
1) the Bosch sensors you linked to on Amazon are half the price and have a different part number than the BMW OEM sensors my mechanic said I needed (www.fcpeuro.com/products/bmw-oxygen-sensor-11787545075 and www.fcpeuro.com/products/bmw-oxygen-sensor-11787558055), are these the same sensors? If so why so much cheaper?!
2) I am assuming that you have no concerns with buying Bosch over OEM?
Thanks as always!
Christopher Tresp Same exact sensor - if you take your car to BMW to be worked on they must be the BMW Bosch sensor, which is always more.
So,does your car have,4,O2 sensors?
Yep!
What happens when I accidentally spilled oil on my O2 sensors. Having rough idles right now.
Soak them in gas
I blew my turbo and shot oil on absolutely everything. Ruined my b2o2.
Is this for code: P0050?
for n52 as well??
Nick Henno N52 is close, but just higher up in the engine Bay Area since no turbos. You would get to them through the engine bay and would need an 02 removal socket tool
any noticeable performance gains since your air ratios are super good now?
Nick Henno Haven't tested performance gains, but it's running much better now!
If you are using the original O2 sensors after 100,000 miles your sensors are literally on borrowed time.
You're literally so dramatic.
@@godbelow not really, its common around 95k-105k miles
I'm too broke to even take my beamer in for a water pump replacement so I had to learn how to do myself
Is this the same on a 07’ N52