11 23 031 Removing And Installing/Replacing Vibration Damper Hub (N62/N62TU)
Special tools required:
- 11 3 460
- 11 9 451
- 11 9 452
- 11 9 453
- 11 9 454
Necessary preliminary tasks:
- Remove design cover. Turn quick-release couplings through 90° and remove left design cover. Release screws and remove middle design cover.
- Remove fan clutch (E65). See 11 52 020 REMOVING AND INSTALLING OR REPLACING FAN CLUTCH (N62) .
- Remove fan cowl (E65). See 17 11 031 REPLACING FAN COWL WITH ELECTRIC FAN (BMW ALPINA B7) .
- Remove electric fan (E60). See .
- Remove drive belt for alternator. See 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N62/N62TU) .
- Remove drive belt for A/C compressor. See 11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT (N62) .
- Remove front engine underguard
- Remove tensioner from A/C compressor drive belt (E65)
- Remove vibration damper . See 11 23 010 REMOVING AND INSTALLING/REPLACING VIBRATION DAMPER (N62/N62TU) .
Screw special tool 11 9 451 in conjunction with special tool 11 9 452 to vibration damper hub and to oil sump.
Release central bolt (1).
Remove special tools.
Remove hub for vibration damper. See 11 23 031 REMOVING AND INSTALLING/REPLACING VIBRATION DAMPER HUB (N62/N62TU) .
Installation:
Check vibration damper hub and radial seal, replace if necessary.
Align groove in vibration damper hub to parallel key and install vibration damper hub.
Replace central bolt (1).
Tighten down central bolt (1) to joining torque.
Tightening torque. See ENGINE - TIGHTENING TORQUES -- ALPINA .
Installation:
Fit special tool 11 3 460 on special tool 11 9 451 .
Installation:
Select 0° position and secure special tool 11 9 453 with clamping screw on socket (special tool 11 9 454 ).
Tighten the central screw with torsion angle.
Tightening torque. See ENGINE - TIGHTENING TORQUES -- ALPINA .
Assemble engine.