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, if equipped.
• Remove fan clutch  (E65). See 11 52 020 REMOVING AND INSTALLING OR REPLACING FAN CLUTCH (N62) .
• Remove fan cowl (E65)
• 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 WITH BELT TENSIONER (N62/N62TU) .
• 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) .

Fig 1: Identifying Special Tool (11 9 451) And (11 9 452)

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 11 23 2AZ  . See ENGINE - TIGHTENING TORQUES (N62TU V8) .

Installation: 

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

Fig 2: Identifying Special Tool (11 3 460), (11 3 454) And (11 9 451)

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 9 454  ).

Tighten the central screw with torsion angle.

Tightening torque 11 23 2AZ  . See ENGINE - TIGHTENING TORQUES (N62TU V8) .

Fig 3: Identifying Special Tool (11 3 460) And (11 9 453)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.