11 23 031 Removing And Installing/Replacing Vibration Damper Hub (N62/N62TU)

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, refer to ENGINE - SPECIAL TOOLS - 645CI .

Special Tools Required:

11 3 454
11 3 460
11 9 451
11 9 452
11 9 453

Necessary Preliminary Tasks:

Remove design cover.
Remove drive belt for alternator, refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N62) .
Remove drive belt for A/C compressor.
Remove front engine underguard.
Remove vibration damper. Refer to 11 23 010 REMOVING AND INSTALLING/REPLACING VIBRATION DAMPER (N62) .

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. Refer to 11 23 031 REMOVING AND INSTALLING / REPLACING VIBRATION DAMPER HUB (N62 / N62TU) .

Fig 1: Removing Central Bolt From Vibration Damper Hub

Courtesy of BMW OF NORTH AMERICA, INC.

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, refer to 11 23 2AZ in ENGINE - TIGHTENING TORQUES .

Installation:

Fit special tool 11 3 460 on special tool 11 9 451.

NOTE: Special tool 11 3 460 is magnetic.

Fig 2: Installing Central Bolt Using Counter Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Select 0° position and secure special tool 11 9 453 with clamping screw on socket (special tool 11 3 454).
Tighten the central screw with torsion angle.

Tightening torque, refer to 11 23 2AZ in ENGINE - TIGHTENING TORQUES .

Fig 3: Tightening Central Screw With Torsion Angle

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.