Primary Chain Tensioner Select Model/Year:Flat Piston - 96-99 E36 / E46 M3 Highly recommended when replacing the

Highly recommended when replacing the vanos pump due to excessive wear found on the pump and sprocket

Replacement chain for the S85 Vanos oil pump

The Dual Vanos tool kit rental includes cam locking blocks

New outer bearing ring

Primary Chain Tensioner Select Model/Year:Flat Piston - 96-99 E36 / E46 M3 Highly recommended when replacing theNewer style hydraulic 2pc primary hydraulic chain tensioner helps reduce chain noise at start up. An excellent upgrade for pre '96 E36 models, as these had weaker tensioners that would cause excessive chain noise. Applications: E36 M50 S50 M52 S52 '94 '95 uses forked design '96 '99 uses flat design E46 M3 S54 Uses flat design