If you can’t find it, try narrowing your search If you need help building your engine, let us know. Need help? All / Engine Rebuild Parts / Timing Chain Hardware All Gearbox Parts Wheels & Hubs Fuel & Air Interior Trims Exterior Trims Ignition Parts Engine Ancillaries Suspension Parts Drivetrain Parts Engine Rebuild Parts Intake & Exhaust Gaskets Vanos Gaskets O-Rings & Washers Sump Oil Pan Parts Head Bolts Cooling Head Gaskets Valve Stem Seals Valve Cover Gaskets Timing Chain Hardware Conrod Bolts and Bearings Camshaft Bolts and Bearings N42 N46 Oil Pump Chain Tensioner - 11417505842 $85.00 Add To Cart N42 N20 Timing Chain Tensioner - 11318685091 $65.00 Add To Cart M50 M52 M54 Upper Timing Chain Tensioner - 11311738700 $95.00 Add To Cart S54 Lower Timing Chain Case Gasket (Right) - 11141407693 $55.00 Sold Out Add To Cart S54 Lower Timing Chain Case Gasket (Left) - 11141407692 $55.00 Add To Cart S54 Timing Chain Guide Rail (Front) - 11317830569 $130.00 Add To Cart S54 Timing Chain Tensioner Rail/Guide (lower, rear) - 11317836441 $115.00 Add To Cart S54 Timing Chain Upper Guide Rail - Genuine OEM 11317830159 $99.00 Sold Out Add To Cart S54 Timing Chain Guide Rail - Genuine OEM 11317836344 $117.00 Add To Cart M54 Main Engine Timing Chain $115.00 Add To Cart M52 Main Engine Timing Chain $115.00 Add To Cart M50 Main Engine Timing Chain $115.00 Add To Cart M54 VANOS Sprocket Upper Timing Chain $55.00 Add To Cart M52 VANOS Sprocket Upper Timing Chain $55.00 Add To Cart M50 VANOS Sprocket Upper Timing Chain $55.00 Add To Cart S55 Timing Chain $175.00 Add To Cart N55 Timing chain $175.00 Add To Cart N52 Timing chain $175.00 Add To Cart N20 Timing chain $175.00 Add To Cart