Lightly oil the lip and outer edge of the sealing ring.
Using drift, BMW No. 33 1 860, and handle, BMW No. 00 5 500, drive in the sealing ring.
Heat housing cover to 80°C (176°F) and install.
Tighten securing screws in diagonally opposite sequence.
Tightening torque: Housing cover — 35 Nm
Installing sliding element
Coat splines on input pinion with
Staburags NBU 30 PTM.
Fit sliding element to drive pinion.
Locate retaining ring with gentle blows (plastic hammer).