BMW 7 Series: 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
Release screw (1).
Tightening torque 11 28 1AZ.
Remove belt tensioner with idler pulley (2).

Fig. 145: Identifying Screw And Idler Pulley
Secure special tool 11 8 090 with three screws (1) to vibration damper.
Secure special tool 11 8 090 with belt tensioner bolt (2) to timing case cover.
Tightening torque 11 28 1AZ.
NOTE: A 3/4 inch tool is needed to release the central bolt.
Release central bolt on vibration damper.

Fig. 146: Securing Special Tool 11 8 090 With Belt Tensioner Bolt To Timing
Case Cover
Secure central bolt with special tool 00 9 140 or 11 3 460.
Position special tool 11 3 460 on special tool 11 8 090.
Adjust special tool 11 9 453 on special tool 11 9 454 using clamping screw to 0º
on scale.
Tightening torque 11 23 1AZ.

Fig. 147: Adjusting Special Tool 11 9 453 On Special Tool 11 9 454 Using
Clamping Screw To 0º On Scale
Assemble engine.
READ NEXT:
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
Notes
WARNING: Protective goggles must be worn when working on the gudgeon
pin circlip.
IMPORTANT: If pistons and connecting rods are reused, they must be
reinstalled in the same
places.
Piston and
SEE MORE:
Troubleshooting
Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting
Oscillograms
Normal oscillogram
Oscillograms of ignition coils from different manufacturers
Check
Secondary signal for
Vehicle features and
options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily available in your vehicle, e.g., due
to the selected options or country versions. This
also applies to