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      07-11-2013, 08:14 PM   #1
GOVCO
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Need Help - Failed Bank 2 Pre Cat 02 Sensor

Okay, so 'Service Engine Soon' light came on while driving yesterday. Took the M into Russell BMW this morning. They said it was the 'Bank 2 Pre Cat 02 Sensor' that failed. Oh, and they said a whole bunch of other crap (tires, mount, balance, blah, blah..stick it in my pooper...) estimated at $2,266.44. I laughed and picked up the car and paid $87 for the damn diagnostic test.

So, anyone help me out with a better place to buy a new 02 Sensor? Dealer charges $132hr, and estimated 2 1/2 hr job...WTF...really. Anyways, thoughts?

Saw this one online:

Makes > 2009 BMW > M3 > Emission System > Oxygen Sensor

Part Number/ Brand / Description
17039 Bosch OEM / Oxygen Sensor; Front Left/Right before Cat;; 340mm
2 per car. $222.02 $142.31 SALE

Last edited by GOVCO; 07-11-2013 at 08:37 PM.
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      07-11-2013, 10:17 PM   #2
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Do you know what the OEM PN is? You can check BMW of FFX's parts site.

http://www.trademotion.com/partlocat...?siteid=214697
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      07-14-2013, 10:32 AM   #3
GOVCO
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Quote:
Originally Posted by Red_Baron View Post
Do you know what the OEM PN is? You can check BMW of FFX's parts site.

http://www.trademotion.com/partlocat...?siteid=214697
Well, I don't see a PN for the sensors when I use the website to search. Searched 2009 M3 [E90]. Saw a front and rear sensor; Items 6 & 7 in the diagram that shows up. Will call BMW on Monday to get a part number. The MSRP price on the website looks about right with what the dealer quoted.
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      07-14-2013, 11:02 AM   #4
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You bought an m3 out of warranty. What do you expect? Everything is costly man.
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      07-14-2013, 09:09 PM   #5
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Quote:
Originally Posted by Longwong View Post
You bought an m3 out of warranty. What do you expect? Everything is costly man.
Actually, I bought an M3 under warranty...and now it's out of warranty... man. And for what I expect [or hope]..is that someone would say, you can buy genuine OEM parts here, for much cheaper. Kinda like the first responder.
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      07-15-2013, 08:39 AM   #6
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Not sure where you live but get an estimate from an independent shop in the area (search this forum for recommendations). Labor hours are always cheaper and usually on a job that big, the $ difference for parts are minimal.
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      07-19-2013, 08:59 PM   #7
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Quote:
Originally Posted by GOVCO
Okay, so 'Service Engine Soon' light came on while driving yesterday. Took the M into Russell BMW this morning. They said it was the 'Bank 2 Pre Cat 02 Sensor' that failed. Oh, and they said a whole bunch of other crap (tires, mount, balance, blah, blah..stick it in my pooper...) estimated at $2,266.44. I laughed and picked up the car and paid $87 for the damn diagnostic test.

So, anyone help me out with a better place to buy a new 02 Sensor? Dealer charges $132hr, and estimated 2 1/2 hr job...WTF...really. Anyways, thoughts?

Saw this one online:

Makes > 2009 BMW > M3 > Emission System > Oxygen Sensor

Part Number/ Brand / Description
17039 Bosch OEM / Oxygen Sensor; Front Left/Right before Cat;; 340mm
2 per car. $222.02 $142.31 SALE
This may be a DIY moment. Why not identify the part? If it matches the sensor you found online, you could attempt to reach the part under the car. Can you ask Russell to show you the issue while the car is on the lift?
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      07-21-2013, 06:10 AM   #8
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Quote:
Originally Posted by 2011M3MD View Post
This may be a DIY moment. Why not identify the part? If it matches the sensor you found online, you could attempt to reach the part under the car. Can you ask Russell to show you the issue while the car is on the lift?
Sounds like a plan.
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      07-21-2013, 07:46 PM   #9
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I'm new to BMW where everything is more complicated but on a lesser car an O2 sensor just screws into a bung in the exhaust. I would absolutely look into DIY, if the sensor is easily accessible and not frozen in place it should be an easy remove and replace.

Good luck.
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      07-22-2013, 08:36 AM   #10
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OP-Here you go:
http://www.m3post.com/forums/showthread.php?t=811735

Oxygen Sensor- (01 REGULATING LAMBDA PROBE L= 340MM)
P/N: 11787537984 Price: $143 @ AutoHausAZ.com

Oxygen Sensor- 03 Lambda probe, black L= 325MM
P/N: 11787539125. Price: $133 @ AutoHausAZ.com

Try getting an estimate at At Speed in Hanover, MD or Autowerks in Fallston, MD for labor. These guys are reputable in the area and BMW Specialists.
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Last edited by checkmate; 07-22-2013 at 08:45 AM.
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      07-22-2013, 02:39 PM   #11
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Haven't needed to get anything for my M but have bought a bunch of parts here for my other cars. Good luck

http://www.rockauto.com/catalog/x,carcode,1443176,parttype,5132
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      07-25-2013, 12:30 PM   #12
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Quote:
Originally Posted by GOVCO View Post
Dealer charges $132hr, and estimated 2 1/2 hr job...WTF...really. ?
2 and a half hours? OMG.

Unbolt the cover plate under the front 1/3 of the car and look before the cats, just behind the headers. There they are, waiting to be unplugged, unscrewed, and replaced.

Should take an hour, because you don't have a lift and it's a PITA to get the cover on and off working on jackstands.

This is like the dealer book time for brake pads, which is over two hours. What is the mechanic going to be doing for two hours? It's a 45-min. job even if you suck at it.
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      07-25-2013, 12:56 PM   #13
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Quote:
Originally Posted by GOVCO View Post
Actually, I bought an M3 under warranty...and now it's out of warranty... man. And for what I expect [or hope]..is that someone would say, you can buy genuine OEM parts here, for much cheaper. Kinda like the first responder.
don't mind him, he's just a main forum troll who provides no value added and just criticize people every chance he gets without understanding facts...

http://www.m3post.com/forums/showthr...856441&page=14

http://www.m3post.com/forums/showthr...856441&page=17

anyways, trying to help you save a bit here:

Now that you have the OEM part numbers handy, go to bmw FFX online parts order (or tischer since you're in MD) and and buy your parts for cheap (it always helps to do a comparison shop as Checkmate provided you another price earlier):

http://www.m3post.com/forums/showthread.php?t=852339

I also recommend negotiating a fixed price for labor at a independent shop. I can only refer my local NoVA shop J&F Motors in Arlington, VA. (they also provide a shuttle to metro, if needed)

As others have said, if you have a lift, it sounds like a 1 hour job, if shops and dealers are quoting you 2 hours, I would try to negotiate for a fixed price like 1.25 hour or 1.5 hours and rationalize with them. Make sure J&F can also clear the CEL for you too.

good luck

Last edited by mdosu; 07-25-2013 at 01:02 PM.
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      07-25-2013, 01:00 PM   #14
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Quote:
Originally Posted by Longwong View Post
You bought an m3 out of warranty. What do you expect? Everything is costly man.
He expects that coming on this forum and asking for help wouldn't result in someone making a smart ass comment and providing no help at all. Just sayin'....
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