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Re: M5 compression question (archive)
[ Follow Ups ] [ M5 (E34) Message Board ] [ Msg. Board FAQ ]
Posted by Ed Smith on January 08, 2002 at 16:44:03:

In Reply to: Re: M5 compression question posted by matt evans on January 08, 2002 at 14:18:55:

He did say that it was 2 different tests for the same cylinder.

There's a few ways to do a compression test. Did the same person do the test and do it in the same method?

To be sure, have it checked again by a BMW tech that has experience with M cars - or do it yourself..


Seeing 100psi on one cylinder and 130 on a different sounds like a very very abused engine to me.

I am considering purchase of an E34 M5 and I just found out that a previous compression check yielded #2 cylinder at 100psi, then a compression check several months later yielded #2 cylinder at 130psi. Car is hardly driven




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