BMW 7 Series: Flywheel
REMOVING AND INSTALLING/REPLACING FLYWHEEL (N63)
Necessary preliminary tasks
- Remove AUTOMATIC TRANSMISSION
- Remove manual transmission
- Remove clutch
Secure flywheel (1) with special tool 11 9 260.
Fig. 139: Securing Flywheel With Special Tool 11 9 260
Release flywheel screws in area (1).
Remove flywheel (2).
Installation: Clean threads on flywheel screws in crankshaft.
Flywheel (2) is secured with an alignment pin.
Fit flywheel (2).
Fit new flywheel screws
Tightening torque 11 22 1AZ.
Fig. 140: Identifying Flywheel Screws
REMOVING AND INSTALLING/REPLACING FLYWHEEL (TRANSMISSION REMOVED - N63)
Notes
Secure flywheel (1) with special tool 11 9 260.
Fig. 141: Securing Flywheel With Special Tool 11 9 260
Release flywheel screws in area (1).
Remove flywheel (2).
Installation: Clean threads on flywheel screws in crankshaft.
Flywheel (2) is secured with an alignment pin.
Fit flywheel (2).
Fit new flywheel screws
Tightening torque 11 22 1AZ.
Fig. 142: Identifying Flywheel Screws
REPLACING ROLLER BEARING FOR DUAL-MASS FLYWHEEL (N63)
Notes
NOTE: FLYWHEEL removed!
Using hydraulic press (1) and special tool 21 2 051, press roller bearing out of dual-mass flywheel downwards on engine side.
IMPORTANT: Risk of damage: Roller bearing must not be driven out.
Fig. 143: Pressing Roller Bearing Out Of Dual-Mass Flywheel Downwards On
Engine Side
Push roller bearing (2) onto special tool 21 2 052.
Using hydraulic press (1), press roller bearing into dual-mass flywheel as far as it will go on clutch side.
IMPORTANT: Risk of damage: Observe press-in instruction:
- Roller bearing must not be driven in.
- Roller bearing mounting force/travel monitored:
Min. 2000 N 1 mm before end of pressing in.
Max. 15, 000 N during entire press-in procedure.
Fig. 144: Pressing Roller Bearing Into Dual-Mass Flywheel
READ NEXT:
Vibration Damper
REMOVING AND INSTALLING/RENEWING VIBRATION DAMPER (N63)
Necessary preliminary work
Remove FAN COWL
Remove A/C compressor DRIVE BELT
Remove alternator DRIVE BELT
Remove belt pulley for A/C system
Connecting Rod With Bearing
REPLACING ALL CONNECTING ROD BEARINGS (N63)
Notes
IMPORTANT: Note grinding stages on crankshaft.
Necessary preliminary work
Removing all PISTONS
Install new connecting rod bearing shells.
Install
SEE MORE:
Draining And Adding Coolant (N63)
Notes
WARNING: Risk of scalding!
The repair work on the cooling system should only be carried out on an
engine that has cooled down!
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant!
When replacing and removing components which rely on the corrosion
protection effect of the coolant, it
Functions
Automatic Soft Close
The Automatic Soft Close function is an autonomous function. The only
connection to the car's electrical
system is Terminal 30 basic mode (Terminal 30B) and the ground connection. The
Automatic Soft Close
function is operational as of "Terminal 30B ON".
Circuit Diagram for an
