Quote:
Originally Posted by Matticus91
Just another thought, the BMS cowl filters really do make a massive difference in sound. I hear so much more from the engine now. Mind you, for me that's godly turbo spool/DV "pffts", but additional NA induction noise will undoubtedly come through as well.
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On the 128i removing the cowl does increase sound dramatically. But with a stock airbox that sound isnt "good" sound. Mostly other mechanical (lifter) noise. I suppose an aftermarket intake would transfer a better noise in tandem with this mod.