I hope you realize there is no MAF sensor in our N54 engine to mess up. Just saying.
Originally Posted by gallabmw
Hey search online for K&N air filter issues and you will notice MAF sensors ect damaged. K&N stands behind there product! But so did Chrysler back in the days. There are many brands of filters which do a better job and dont jack up your ride!
2009 AW 535i
-Sport, Premium Package, and Comfort Access
-20" Forgestar F14 Black Gloss, Cobb PTF E30 map, KW V2 CO's, Remus Sport Exhaust, BMS DCI, RPI Scoop, Full Front 3M PPF, 35% tint all-around, Orion V4's, Bruce v6.1L cables, LED interior lights, WeissLicht License Plate LED, Trinity Smoked LED side markers, Bimmian Smoked Reflectors, OEM black gloss grills, and Invisibulb turn bulbs.