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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 > Help please leaking oil



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      03-18-2015, 04:02 AM   #1
Basil335i
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Hey guys yesterday I noticed a smell of burning oil so decided to drive my car on rhino ramps and see what's going on I saw a little bit of oil residue on my downpipe and noticed a bit of oil coming from looks to me a bolt right above my downpipe... Does this need an o ring probably o ring is bad or maybe tightened up??
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      03-18-2015, 06:38 AM   #2
mweisdorfer
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It might be coming from up top....

Take a mirror with an LED light on it that extends and check the backside of the valve cover.

The valve cover gasket is a noted problem with the n54.

Plenty of DIY's
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      03-18-2015, 07:58 AM   #3
Basil335i
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Quote:
Originally Posted by mweisdorfer
It might be coming from up top....

Take a mirror with an LED light on it that extends and check the backside of the valve cover.

The valve cover gasket is a noted problem with the n54.

Plenty of DIY's
There is no oil coming from above the bolt only around the bolt that's what I find weird.... Should I try to tighten it im just scared it will brake..
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