Variable Valve Timing: Tools and Equipment

Sprocket Turner

AST tool# BMW 518





Used for turning sprockets when removing and installing VANOS adjustment unit on M50, M52, S50US, and S52US engines.

- Comparable to BMW tool number 115490

Contact AST for pricing.

Assenmacher Specialty Tools
1-800-525-2943

Additional Tools Possibly Required:



BMW 520 - Vanos Adjustment Fixture



BMW 522 - Chain Tensioner Tool



BMW 524 - Sprocket Alignment Plate



H 2925 - E12 Torx Socket