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      12-31-2012, 08:32 PM   #6
Drives: 2011 e92 M3
Join Date: Dec 2012
Location: NY

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Originally Posted by biggynuts01 View Post
BPM Tune. Best bang for your buck.
Correct me if I am wrong but that doesnt add power or torque..just custom maps the throttle response, removes the top speed govenor and cold start and bumps the redline up a couple of hundred RPM

OP: a free flow. headers back exhaust and drop in air filter is about all that can be done..but should be good for anywhere between 30-50 HP, I personally wouldnt do a pulley..not worth it imo
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