LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2018 >> M6 Automatic DCT Trans >> Repair and Diagnosis >> Transmission >> Clutch >> Clutch - Repair - F12 >> Clutch Release Controller W. Lever >> 21 51 500 Removing and installing or replacing clutch release bearing/lever

21 51 500 Removing and installing or replacing clutch release bearing/lever

NOTE: (gearbox removed)

Do not disassemble the release module. Otherwise there is a risk of the release module being incorrectly  reassembled.

NOTE: Release bearing (1) and release lever (2) have been combined to form a single release module.

Do not  grease sliding surfaces.

Fig 1: Identifying Bearing And Lever
G05502328Courtesy of BMW OF NORTH AMERICA, INC.

image A: Cam (1) of release bearing

(A=12 mm)  is on sliding surface of release lever.

Type: N43, N45, N46 

image B: Cam (1) of release bearing (A=7 mm)  is on sliding surface of release lever.

Version for all other engines 

Fig 2: Identifying Lever Surface
G05502329Courtesy of BMW OF NORTH AMERICA, INC.

Remove release module (1) from spring wire clip.

Remove release module.

NOTE: Similar to graphic.
Fig 3: Releasing Module From Spring Wire Clip
G05502330Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check spring wire clip (5) and ball pin (6) for damage and replace if necessary.

Apply a thin coating of grease to ball pin (6).

Grease, refer to OPERATING FLUIDS .

NOTE: Similar to graphic.
Fig 4: Identifying Spring Wire Clip And Ball Pin
G04725954Courtesy of BMW OF NORTH AMERICA, INC.

Clean guide sleeve (7).

Installation note: 

Do not  grease guide sleeve.

IMPORTANT: If guide sleeve is greased, the release lever can stick on the guide sleeve.
NOTE: Similar to graphic.
Fig 5: Identifying Guide Sleeve
G04725955Courtesy of BMW OF NORTH AMERICA, INC.