For locking the engine balance shaft
(old and new version)
For locking the chain tensioner
For locking the crankshaft
Engines:
N42/N46, B18, B18A, B20, B20A, B20B
N40/N45/N45T B16
N51/N52/N52K/N53/N54/
N53/N54 (direct injection)
N12/N14 EP3 (8FS), EP6 (5FW),
EP6DT (5FX), EP6DTS (5FY)