Genuine BMW Engine Timing Camshaft Sprocket for M57N - BMW 11317787278Genuine BMW Engine Timing Camshaft Sprocket for M57N Suits X3 E83 (01 2003 08 2005) X5 E53 (01 2003 09 2006) OE PN 11317787278 About Genuine BMW The original parts used by BMW to build your car are available as replacement parts under the Genuine BMW brand. When ordering a Genuine BMW part you are guaranteed to get the same part that you would pick up from your local dealerships part department. Genuine BMW parts have been built to BMWs stringent