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Join Date: Jul 2015
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BMW Roundel BMW E91 Comfort Module Failure

Hello Fans!

I'm new here, so sorry if my question is supposed to be in another sub forum.

I have a 2012 E91 touring, 320d, the 135kW. I took my car to a mechanic, because i needed a clutch and flywheel change.

I got my car back but several thngs dowsnt work on it:

- turning signals
- front windows
- I can't control rear windows neither from the front.
- If i hold open/lock buttons on the key, just the rear windows work
- No dashboard lighting
- No interior lighting
- spotlight doesnt work
- Headlights permanently on when engine is turned on( or when i connect the key)
- Front and rear fog lights doesn't work

Cruise control, air condition, electric windows and everything else are working.

Central locking is working from the key, but if i take out the little metal thing from the key and connect it to the door, it just opens and locks the driver's door.

Please tell me what should i check to make it more precise? Which electric module can be the problem?

Thanks for your help in advance and sorry for the faulty language,

Benjamin


Last edited by b3n021; 07-19-2015 at 12:48 PM..
Old 07-19-2015, 09:45 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
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Join Date: Sep 2006
Location: Denver, Co.
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Did all this stuff work before you took it for the clutch?
If so, I'd look at fuses before messin with relays and modules.
Newer cars sometimes have a fuse built into the modules, so it might appear the module is bad.
Good luck, and if all worked before clutch job, I'd take it back to the mechanic to fix.

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Old 07-19-2015, 09:58 AM
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Yep, everything worked fine. I own this car for more than 1 and a half years and had no problems with electronics. Where can i find the fuses? They told me there are 3 different places to find them.

Thanks a lot for your reply

Can all these problems be connected to the same fuse? Or when they disconnected/reconnected the battery, more fuses could fail?
Old 07-19-2015, 10:10 AM
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I checked all the fuses located in the glove box. Found 1 problem which was the rear window wiper. No other fuse was damaged. Everyone of them is okay.

Is there any other place where i can find fuses?
Old 07-19-2015, 12:46 PM
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Under the hood, under back seat maybe. Google it.

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Old 07-19-2015, 01:18 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #5 (permalink)
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comfort module , electric diagram , electric fault


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