Removing needle roller bearing
Remove left and right tension struts.
Remove bearing bushing (1).
Lever out sealing rings (3) with screwdriver.
Drive out needle roller bearing (2) with drift, BMW No. 33 6 620.
Installing needle roller bearing
Heat bearing seats to 100°C (212°F).
Press in needle roller bearing (2) with drift, BMW No. 33 6 671.
Press-in depth "A": 4.5 mm (0.18 in)/
Press in sealing rings (3) with drift, BMW No. 33 6 671, and spacing ring, BMW No. 33 6 672.
Fit bearing bushing (1).