Removing needle roller races
Remove bearing bushes (4) and sealing rings (5) from swinging arm.
Caution! Protect mating faces (arrow) of the swinging arm from scratches by covering with masking tape or similar.
Drive needle roller races out of rear swinging arm with drift, BMW No. 336 661.
Installing needle roller races
Heat bearing seats to 100°C (212°F).
Press in the inner needle roller races with drift, BMW No. 33 6 651.
Press-in depth "A": 36.5 mm (1.44 in).
Press in the outer needle roller races with drift, BMW No. 33 6 651, and spacing sleeve, BMW No. 33 6 652.
Fit bearing bushes and sealing rings into swinging arm.
Press-in depth "B": 3 mm (0.12 in).