11 23 010 Removing and installing/replacing vibration damper (N63)

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Special tools required:

00 9 140
11 3 460
11 8 090
11 9 453
11 9 454

See MAINTENANCE AND GENERAL INFORMATION - SPECIAL TOOLS .

See ENGINE - SPECIAL TOOLS (N54, N63) .

Necessary preliminary tasks:

Remove fan cowl . See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N63) .
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, see 11 28 V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT

Remove belt tensioner with idler pulley (2).

Fig 1: Identifying Belt Tensioner With Idler Pulley

G06178487

Courtesy of BMW OF NORTH AMERICA, INC.

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, see 11 28 V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT

NOTE: A 3/4 inch tool is needed to release the central bolt.

Release central bolt on vibration damper.

Fig 2: Removing Central Bolt On Vibration Damper

G06178488

Courtesy of BMW OF NORTH AMERICA, INC.

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 0° on scale.

Tightening torque 11 23 1AZ, see VIBRATION DAMPER

Fig 3: Identifying Special Tool (11 3 460, 11 9 453 And 11 9 454)

G06178489

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.