Turbo Wastegate Actuator+Rattle Flapper Repair Kit for BMW 135i 335i 535i N54. 2 x Flapper Arms. 2 x Flapper Bushings. 2 x Flapper Tabs. 2 x Wastegate Arms. 2 x Turbo Wastegate Actuators. Fix wastegate wear, Which causes lose of power and loss of boost and bad gas mileage. Fixes common wastegate rattle. Welding flapper tab on arm required. For BMW 1 Coupe (E82) 135i 10.2007 225KW 306HP N54B30A. BMW 1 Cabriolet (E88) 135i 03.2008 225KW 306HP N54B30A. BMW 1 Coupe (E82) M 04.2011 250KW 340HP N54B30A. BMW 3 (E90) 335i 9.2006 225KW 306HP N54B30A. BMW 3 (E90) 335xi 09.2007 225KW 306HP N54B30A. BMW 3 Touring (E91) 335i 09.2006 225KW 306HP N54B30A. BMW 3 Touring (E91)335xi 09.2007 225KW 306HP N54B30A. BMW 3 Coupe (E92) 335i 09.2006 225KW 306HP N54B30A. BMW 3 Coupe (E92) 335xi 09.2006 225KW 306HP N54B30A. BMW 3 Cabriolet (E93) 335i 03.2007 225KW 306HP N54B30A. For BMW 5 Series E60 3.0l N4 Models 306HP. BMW Z4 (E89) sDrive 35i 05.2009 225KW 306HP N54B30A. BMW Z4 (E89) sDrive 35is 09.2010 250KW 340HP N54B30A. Professional Installation recommended(No Instruction Included).