XBimmers | BMW X3 Forum - View Single Post - New high-flow drop-in air filter for the M40i

j1980mac · 11-21-2019, 07:08 AM

I can hear the turbo whine with light throttle input, that's about it. I wouldn't purchase it again over the K&N.

11-21-2019, 07:08 AM	#35
j1980mac Captain 263 Rep 964 Posts Drives: 2018 X3 M40i Join Date: Apr 2018 Location: Austin TX iTrader: (0)	I can hear the turbo whine with light throttle input, that's about it. I wouldn't purchase it again over the K&N.
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