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Re: m535i 1981 (archive)
[ Follow Ups ] [ 5-series (E12) Message Board ] [ Msg. Board FAQ ]
Posted by Karl on September 04, 2001 at 17:13:29:

In Reply to: m535i 1981 posted by colin blades UK on August 30, 2001 at 13:38:24:

I'm with Michel on this one. See if the color of the plug gives you a clue (rich, lean, oil). Then check for spark -- I use an old plug threaded into a clip for ground. The next diagnostic check is compression -- or leak down test is even better.

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