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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Canada > Oil leak



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      08-01-2014, 05:12 PM   #1
xcyx
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Oil leak

Hi,

Anyone know why oil deposits are here and how to fix it? (Circled in red)

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      08-01-2014, 05:27 PM   #2
Andrewah05
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Valve cover may be cracked or valve cover gasket is leaking
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      08-01-2014, 05:53 PM   #3
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Thanks Andrew, at 130km on the car, im assuming its the valve cover gasket i guess.. do these normally get changed around this many km on the car?
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      08-04-2014, 09:42 AM   #4
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It's your valve cover gasket. I've seen vcg's leak at 70k before. But you're bound to do it at least once in the car's lifetime.
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      08-04-2014, 10:12 PM   #5
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Thanks anti1ne, i will try to find some diy online/google on how to do it.. hopefully not too hard and i have all the tools... may also do the tensioner/idle pully and belt while im at it.. that was what i initally was going to do until i saw the oil deposits upon investigating the tensioner/idle/belt scenario...
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      08-06-2014, 06:31 AM   #6
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VCG for sure. take my word for it and just buy a new VC all together, which comes with new bolts and a gasket installed. Takes about 4 hours or so, depending on your mods.
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      08-07-2014, 03:38 PM   #7
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Hi Tzu,

did you do yours yourself?
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      08-08-2014, 08:33 AM   #8
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Have you pulled the engine cover and looked at all the screw heads? A common problem with early E90's are snapped valve cover bolt heads. This is typically why the leaks start in the first place.
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      08-08-2014, 07:20 PM   #9
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Quote:
Originally Posted by Tzu View Post
VCG for sure. take my word for it and just buy a new VC all together, which comes with new bolts and a gasket installed. Takes about 4 hours or so, depending on your mods.
the price difference between a valve cover gasket and a valve cover is ridiculous. The same amount of labour, for nothing really.
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      08-08-2014, 07:21 PM   #10
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Quote:
Originally Posted by Volasko View Post
Have you pulled the engine cover and looked at all the screw heads? A common problem with early E90's are snapped valve cover bolt heads. This is typically why the leaks start in the first place.
for that valve cover in the pic, typically just the valve cover gasket. If it was the metal valve cover, then usually a broken bolt.
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