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      07-08-2012, 08:22 PM   #1
E92///M3
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Drives: 2012 E92 M3 Coupe
Join Date: Jul 2012
Location: California

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Does the BMC filter provide gains or losses?

I know this topic has probably been brought up before countless times but whatever. I see that the expected gains are about 10 ponies but then I've been hearing from people that they lose performance from replacing it with the stock and all so yeah.
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