BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Need help have a leak

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      04-05-2013, 11:03 AM   #1
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Need help have a leak

Hi guys just noticed my car has a slight leak, Its a brownish colour fluid, Its coming from behind this rubber piece in the top left of the photo, Anyone have any ideas what it could be?

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      04-05-2013, 03:30 PM   #2
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depending on location it sounds like either power steering or automatic transmission fluid if its an auto.
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      04-05-2013, 04:01 PM   #3
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That's the rear diff is it not? Only thing with oil that I know of there is the diff, unless its coming out the breather or possibly fuel? Depends I imagine you would smell fuel. Diff oil stinks aswell though
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      04-05-2013, 05:19 PM   #4
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not had a look up there on mine in detail but from memory is that rubber bit a vibration absorber? I think this bolts onto the diff. through the subframe but I can't see how it can be diff oil...could the rubber bit be leaking something?

here we go http://bmwfans.info/parts/catalog/E9...rive_output-2/ no.5 is the rubber bit so I can't see it being a leaking differential, yours looks dry as a bone.

Last edited by wallsmk2; 04-05-2013 at 05:21 PM. Reason: more info
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      04-06-2013, 04:34 AM   #5
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Exhaust joint leaking dirty water?

Possibly just dirty rusty water run - off from somewhere?

There is nothing else in that region.

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