10-26-2019, 04:55 PM
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#4
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Private First Class
Drives: F80 M3
Join Date: May 2019
Location: VANCOUVER
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Quote:
Originally Posted by arucano
There are two possible sources for the oil. One is the crank case breather system or a leaking turbo seal. The former is the more likely one given that it is also found on the air flow sensor.
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Thanks for explanation!
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