11 23 010 Removing and installing/replacing vibration damper (B48, B46)

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Special tools required:

Necessary preliminary tasks:

Release DRIVE BELT for alternator

Removal:

Undo the transmission bolts (1).

Remove protective cap (2).

Fig 1: Transmission Bolts And Protective Cap

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Prepare special tool 11 8 180 /1 with special tool 11 8 180 /3, 11 8 180 /4 and 2 288 159 .

Secure the special tool 11 8 180 with the housing screws.

Slide the special tool 2 288 159 in the gearbox housing and secure the flywheel.

Tighten down all screws.

Fig 2: Sliding Special Tool (2 288 159) In Gearbox Housing

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Slacken all screws on the vibration damper (1).

Feed out and remove vibration damper (1) from drive belt.

Fig 3: Vibration Damper And Screws

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Replacement:

Replacing FRONT CRANKSHAFT SEAL

Installation:

Coat the sealing surface on the vibration damper with clean engine oil.

Position vibration damper (1).

Route drive belt (2) properly over the vibration damper.

Tighten down all screws.

Tightening torque 11 23 1AZ .

Fig 4: Vibration Damper And Screws

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Undo the Torx screws.

Remove special tool 11 8 180 with 2 288 159 .

Fig 5: Sliding Special Tool (2 288 159) In Gearbox Housing

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Tighten down Torx screws (1).

Tightening torque 23 00 1AZ .

Mount protective cap (2).

Fig 6: Transmission Bolts And Protective Cap

Courtesy of BMW OF NORTH AMERICA, INC.