Installing clutch cage
Place thrust washer (1) on compensating shaft.
Coat needle sleeves (3, 5) with oil and install, with the small sleeve (5) down.
Insert O-ring (2) into groove under splines.
Install clutch cage (4); gears must all be in mesh.
Install thrust washer (6) and press it against the O-ring until it is firmly seated and does not spring back.
Installing driver
Insert driver (7) and coat internal splines with Optimoly MP 3.
Fit locking washer (8); it must engage securely.
Clean threads of compensating shaft and hexagon nut (9), coat threads with Loctite 243 and install nut.
Insert locating ring, BMW # 21 4 600.
Tighten hex nut and bend wings of locking washer (8).
Tightening torque:
- Driver to compensating shaft (clean thread + Loctite 243): 140 Nm
Installing pressure plate
Insert the plates, starting with a steel plate. Insert steel and lined plates alternately.
Note: Insert the topmost plate (identified by a black spot) in the offset groove of the clutch cage.
Install pressure plate (2).
Note: All springs (3) must be renewed after each clutch repair.
Install springs (3).
Uniformly tighten screws (4) with washers (5) in diagonally opposite sequence.
Fit gasket.
Position thrust head (1) correctly in relation to the releaser shaft and hold temporarily in position with grease.
Align splines on water pump driven gear with driving gear on balancing shaft.
Fit left engine cover and install securing screws.
Note: Always replace selector shaft seal in clutch cover.
Install selector shaft sealing ring in clutch cover with sliding sleeve, BMW # 21 4 620, and drift, BMW # 21 4 630.
Tightening torque:
- Pressure plate to driver: 10 Nm
- Engine cover, left: 10 Nm