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- - Oil in MAS on BMW (https://www.nopistons.com/other-cars-37/oil-mas-bmw-3376/)

1Revvin7

06-28-2002 10:47 AM

My buddy and I were putting my old Bonez intake on his 86' BMW 325 e and when we got the MAS off, we noticed oil in there and in the flex tube from the the TB to the MAS. What gives, is this a valve problem?

Twin89Stangs

06-28-2002 11:36 AM

So it has oil blow by????

1Revvin7

06-28-2002 07:50 PM

which is? Im assumin it is bad.

turbovr6

07-08-2002 03:33 PM

it could be blow-by(bad rings), or it could be something simple as a clogged PCV valve. If it's a little oil, not really much to worry about, i'm sure the car has a gazillion miles

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