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Engine + Driveline / Re: M42 into my E21, some engine questions.
« on: May 28, 2013, 09:38:28 PM »
yes e30 and e36 oil pans are interchangable. 2.5" would probably be minimum piping size.
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lots of info on tunerpro here at http://www.ecuconnections.com diy tune forum

http://m42club.com/forums/showthread.php?t=7748
A lot of cowboy installers, instead of using a proper loom from the supply panel behind the glovebox, will wire into the hazard light switch or other stuff related to that circuit. When you removed the stereo did you remove it's wiring?
That's probably what's causing it.