BMW released a update kit to replace the mechanical tensioner for the water pump with a hydraulic style tensioner.
Kit comes with all necessary parts to complete this update. Comes with the following items.
- (1) Tensioner Assembly / Swing Arm
- (1) Adjusting Pulley
- (2) Protection Caps
- (3) Bolts (3) Washes
- (1) Dust Guard
- (1) Screw
Part# 11 28 7 838 797