11 23 010 Removing and installing/replacing the vibration damper (N47D20 K/U/O/T 1)

Special tools required:

Necessary preliminary tasks:

Remove ACOUSTIC COVER
Remove alternator DRIVE BELT .

Using a suitable tool, remove the protective cap (1) from deflecting element (2).

Release screw (3).

Tightening torque 11 00 4AZ .

Remove deflection pulley (2).

Fig 1: Identifying Deflection Pulley And Protective Cap

G09920512

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble special tool 11 7 221 with special tool 11 7 222 and 11 7 223

Fig 2: Identifying Special Tool (11 7 221, 11 7 222 And 11 7 223)

G09944255

Courtesy of BMW OF NORTH AMERICA, INC.

Screw special tool 11 7 221 with special tool 11 7 223 into receptacle of the guide pulley.

NOTE: Use special tool 11 7 221 to turn the vibration damper in the direction of travel until the special tool 11 6 480 audibly clicks into place on the vibration damper.

Secure special tool 11 7 221 vibration damper (1).

Fig 3: Turning Vibration Damper

G09944256

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen bolts (1) on the vibration absorber (2).

Installation note:

Replace RADIAL SHAFT SEAL at front.

Fig 4: Identifying Vibration Absorber Bolts

G09920515

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Position vibration damper as illustrated when refitting.

Fig 5: Locating Vibration Damper Position

G09920517

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Secure the special tool 11 7 221 again in the area of the vibration damper to tighten the screws.

Tighten screws crosswise.

Fig 6: Identifying Special Tool (11 7 221)

G09920516

Courtesy of BMW OF NORTH AMERICA, INC.

Undo bolts (1) on vibration damper (2).

Remove special tool 11 7 221 in the area of the vibration damper (1).

Remove vibration damper.

Tightening torque 11 23 1AZ .

Fig 7: Identifying Vibration Absorber Bolts

G09920515

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

IMPORTANT: Do not run engine without ribbed drive belt.
Risk of damage! to vibration damper.