BMW Air Duct - Engine Compartment | 2004-2010 20505-HD0F-D Excellent Resistance: Protects against dirt

Excellent Resistance: Protects against dirt

even without an engine start

Measures 26

allowing users to easily switch between a catted exhaust (Sport Cat) and a cat bypass configuration

colored check lights excluding turn signal indicators)

BMW Air Duct - Engine Compartment | 2004-2010 20505-HD0F-D Excellent Resistance: Protects against dirtAir Duct Engine Compartment for 528i (2008 2010), 535i (2008 2010), 550i (2006 2010), M5 (2006 2010), 650i (2006 2010), 528i xDrive (2009 2010), 535i xDrive (2009 2010), 525i (2004 2007), 530i (2004 2007), 545i (2004 2005), 645Ci (2004 2005), 530xi (2006 2007), 525xi (2006 2007), 528xi (2008), 535xi (2008)