oil burn - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 12-12-2003, 01:44 PM
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my 1987 325i has 137k miles on it and burns oil what are the possible reasons, is it probaly just old seals? anything worth fixing?
p.s. it burns oil it never leaks it

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#2 (permalink) Old 12-13-2003, 04:19 AM
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M20 engines are very bad on allowing oil past the valve seals.

The catalyst will eat any smoke so it is a matter of:
Oil is cheap compared to cost of overhaul.

Later,
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#3 (permalink) Old 12-13-2003, 04:27 AM
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are you sure it isnt leaking? it could, not drip oil on the ground but still have a leak. i would get your seals checked, it could be leaking oil on the timing belt and you wouldnt even notice it. also there is a valve on the oil cooler thats known to leak on earlier M20B25's, but that you could probably notice.
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