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1999 BMW 740 Oil leaking from filter housing cover

Tiny
SKIPV
  • MEMBER
  • 1999 BMW 740
  • V8
  • 2WD
  • AUTOMATIC
  • 168,000 MILES
Replaced oil filter and gaskets about 1K ago and now there is a slight leak from the oil filter housing cover. I waited about an hour before removing cover and oil spilled out. Finally drained when I removed filter. Replaced filter and gasket (Mann). It has done this several times. What could be the problem. Thanks
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Saturday, October 16th, 2010 AT 8:31 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the oil pressure with a mechanical gauge to find out what's the oil pump is doing-pressure relief valve could be sticking closed overpressurizing the system
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Sunday, October 17th, 2010 AT 1:34 AM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
I have seen this several times. The cap will possibly require replacement, it is available from this site: http://www.realoem.com/bmw/showparts.do?model=GH83&mospid=47531&btnr=11_1414&hg=11&fg=30
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Sunday, October 17th, 2010 AT 5:58 AM

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