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Re: How to tell 3.6 vs. 3.8? (archive)
[ Follow Ups ] [ M5 (E34) Message Board ] [ Msg. Board FAQ ]
Posted by Dave on June 04, 2002 at 12:45:40:

In Reply to: Re: How to tell 3.6 vs. 3.8? posted by Heine on June 04, 2002 at 11:02:45:

The 3.6L has a distributer and spark plug wires but the 3.8L has no distributer and coil over plug ignition (ie. no spark plug wires). The distributer is located at the front of the engine driven off the exhaust camshaft I believe. Also the cambox on the 3.8L is a gray color and the 3.6L is black.

cheers,

Dave

I know this may sound like a stupid question for some, but I am looking at buying a 90 M5, and was wondering how to tell the difference. The car is located in Canada, and I know both do exist here. What do I look for? I've searched the M5 FAQ boards and can't find an answer. Thanks.

The 3.8 was a euro only engine made for 93-95 model years.A few made it to the states,as grey market cars.A visual cue is the location of the oil filler cap.On the 3.8 it is at the very front end of the valve cover centered on a seperate piece.On the 3.6 it sits lower directly on the valve cover a little off center.Try to access pictures from someone.The car your going to look at is likely a 3.6




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