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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

 
 
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Old 10-22-2013, 03:16 AM
2002-530I 2002-530I is offline
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Location: Corning
 
Join Date: Sep 2013
Posts: 189
Mein Auto: 2002 BMW 530I Sport
Loosing my mind

Doesn't sound right to have two different readings. Sounds like maybe a valve was hanging open during the second test?
I know your very mechanically inclined and not trying to offend you.
Compresses air into the system is only one obvious sign of a blown HG between the CYL and a water jacket. It could still be blown elsewhere. Maybe start it and remove the oil cap. See if your getting excessive pressure into the crank case? I know it's not typical to have loss of compression and oil in the hole at the same time but if it was a typical problem I don't think you'd be on here for input from others.



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Last edited by 2002-530I; 10-22-2013 at 03:18 AM.
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