E46Fanatics - View Single Post - Where to get SMG CSL tune upgrade?
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Old 08-13-2012, 11:55 PM   #7
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Join Date: Nov 2007
Location: Carlisle, PA
Posts: 750
My Ride: 2002 M3 SMG
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Your best bet is the M3 forum. There is a mega thread on it over there, and anyone with a cable and a laptop and stolen software can do it.

It is the factory CSL SMG software, which has been proven to work for US spec cars, and gives you all the euro options. It is easy to do, but you need the cable and software.

2002 M3
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