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      12-02-2008, 03:19 PM   #40
m3larson
First Lieutenant
 
Drives: 2011 Cayenne S 1997 M3 Track C
Join Date: Mar 2008
Location: Tucson, AZ

Posts: 301
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SLAMMEDM3 - I had my ECU reprogrammed and I love it. I had the car dyno's and I did gain about 30hp. The shop said I may not feel the difference however I do feel the difference in Torque. That is the biggest difference I feel. At lower end RPM's the car is more responsive and doesn't feel as slug ash as some people talked about when they first owned the car. I also have new pully's and an exhaust.

I used a local guy in Arizona. I did consider Active and ESS however I wanted a local person just in case there was an issue. I paid $1,200 and I would do it again.
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The Verdict: Every other manufacturer should give up on building their own cars and just make M3s instead. -Car and Driver June 2008
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