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Old 01-07-2011, 08:00 AM
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wildag wildag is offline
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Mein Auto: '06 Z4 M Roadster
Originally Posted by drive by72 View Post
Thanks for the opinions, I'm still trying to contact the original seller (heard through a friend type of thing). Say the car isnt an M, what engine pops in then? And what would it take to fit an S52 into a non-M car. I found a S52 used for a few hundred used, which is why i ask. Thanks again guys
The S52 engine should "fit" in a non-M, but that doesn't mean all the mount tabs and wiring harness points are available. You'll also need the M's ECU.

The M's had a different suspension setup and rear diff. The transmission was different from most models of the non-M; I believe it was the same as the 2.8 and 3.0i.

Your biggest problem is going to be the rear subframe and exhaust. The M's had a two pipe exhaust, and the non-M's have a spare tire mount in the way. The M's also had a different rear subframe shape and bumper.

Last edited by wildag; 01-07-2011 at 08:01 AM.
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