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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > I broke my temp sensor



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      07-23-2009, 11:50 AM   #1
neverwerks
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I broke my temp sensor

Hey guys after installing and removing my tune several times i eventually broke the plastic on the sensor that is located on the left side (ecu side).

Does anyone know what the part number for this sensor is and where it can be purchased?

Has anyone else done this besides me?

I have looked on the Tischer site but was unable to find it. Any help will be greatly appreciated.
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      07-23-2009, 12:35 PM   #2
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Yes, and yes.

Here is the p/n and the part:

http://www.realoem.com/bmw/showparts...33&hg=64&fg=45

Is this what you need?
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      07-23-2009, 12:46 PM   #3
neverwerks
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Yes this is the sensor that I need. I can't beleive the price. A tiny little plastic tab brakes and I'm out $100.

Thanks for the find
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      07-23-2009, 12:48 PM   #4
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Are these the same sensors?

http://www.trademotion.com/partlocat...make=3&model=3 series sedan&year=2007&graphicID=1942100&callout=7&catalo gid=2&displayCatalogid=0
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      07-23-2009, 12:49 PM   #5
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mine broke months ago. I just left it alone and blamed it on the dealer. I have them mark down any damage the techs do so I dont get blamed for it. they are very sloppy sometimes and I now have numerous broken tabs, parts, etc. They will replace all of them next visit. It doesnt affect the performance of the part.
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      07-23-2009, 12:52 PM   #6
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Quote:
Originally Posted by neverwerks View Post
Yes this is the sensor that I need. I can't beleive the price. A tiny little plastic tab brakes and I'm out $100.

Thanks for the find

wow, that's expensive. Got to be careful going forward, I usually don't go into "gentle" mode till the ECU lid is open.
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      07-23-2009, 01:00 PM   #7
neverwerks
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Yeah very careful. I didn't even feel it when it broke. It was still very hot under the hood so I guess the plastic was really soft.

Looks like tischer has it for $62.
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      07-23-2009, 01:24 PM   #8
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Quote:
Originally Posted by neverwerks View Post
Hey guys after installing and removing my tune several times i eventually broke the plastic on the sensor that is located on the left side (ecu side).

Does anyone know what the part number for this sensor is and where it can be purchased?

Has anyone else done this besides me?

I have looked on the Tischer site but was unable to find it. Any help will be greatly appreciated.
Another option which I do to avoid touching these little guys at all is to just leave them be, unclip what you must from the front of the cowl (wiring harness) and then flip the cowl over with them still connected.

This is good if you're just diving into the ECU. It's only marginally more difficult to work on the ECU box with the cowl flipped on top of the engine.

I ended up doing this after busting the actual mount (blade link piece of plastic) for the wiring harness securing ring for the sensor on the driver's side Like a lot of the plastic crap on this car, it was unbelievable weak and easy to break.
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      07-23-2009, 03:58 PM   #9
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Just for information purposes, it's not a temperature sensor, it's a pollutant sensor. It will recirculate the air conditioning if it senses smog in the air.
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      07-23-2009, 04:07 PM   #10
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Didn't know that. Thats pretty cool actually.
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