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Re: compression testing S38 engine (archive)
[ Follow Ups ] [ M5 (E28) Message Board ] [ Msg. Board FAQ ]
Posted by Paul Muskopf on November 11, 2001 at 23:26:03:

In Reply to: compression testing S38 engine posted by Art on November 11, 2001 at 20:51:58:

remove all spark plugs
remove coil wire from distributor cap and ground or remove power to coil
crank for 5 firing cycles (or until the guage does not go up any more.)

These readings should be withing 15% of each other. If not, you must try to find why. Post or email your readings INCLUDING cylinder number and we will try to help you with further testing

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