Thread: past 4k rpms
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      11-27-2008, 09:36 PM   #6
TwinTurboXI
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Drives: 2011 135i
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Quote:
Originally Posted by BMdblU View Post
With stock boost the BMS is probably doing you more bad then good
Can you elaborate on this? I was contemplating getting an intake for the slight performance improvement. some mfg's claim 25 hp gains but i dont buy into that im thinking about 10 crank, and also the improved sound
Appreciate 0