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Re: Main relay voltage? HELP (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Bob745 on July 23, 2001 at 08:11:21:

In Reply to: Re: Main relay voltage? HELP posted by Jens T.M.745I on July 23, 2001 at 06:30:01:


Jens, I wonder how you would know this?

Steve...the piece Jens is talking about is welded to the back of the flywheel and it is shaped like an upside down block "L". The reference sensor takes its reading from this piece and the speed sensor reads from the flywheel ring gear. That's why the two are slightly staggered at the bellhousing. If the reference sensor can't "see" this piece, it can not provide crankshaft/cylinder position to the Motronic and the Motronic will not allow spark.


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