BMW 3-Series (E90 E92) Forum - View Single Post - DIY: Air Filter Replacement

Staticians · 04-12-2011, 03:17 PM

I put my K&N air filter the engine sound and performance have huge difference. The car runs better and the engine is louder like an sport car supposed to be. It was a great investment!!

04-12-2011, 03:17 PM	#20
Staticians New Member 0 Rep 10 Posts Drives: 325i Join Date: Apr 2011 Location: NYC iTrader: (0)	I put my K&N air filter the engine sound and performance have huge difference. The car runs better and the engine is louder like an sport car supposed to be. It was a great investment!!
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