11 14 110 Removing And Installing Bottom Timing Case Cover (N62 / N62TU)

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Special tools required:

23 1 040

Necessary preliminary tasks:

Remove ENGINE
Remove both cylinder heads. See REMOVING AND INSTALLING LEFT CYLINDER HEAD (N62 FROM 9/03 AND N62TU) and REMOVING AND INSTALLING RIGHT CYLINDER HEAD (N62 FROM 9/03 AND N62TU)
Remove LOWER OIL SUMP SECTION
Remove UPPER OIL SUMP SECTION
Remove VIBRATION DAMPER
Remove WATER PUMP
Remove tensioner from poly-V-belt
Remove alternator with housing
Remove HUB FOR VIBRATION DAMPER
Remove FLYWHEEL
Remove rear coolant cap

Release screws along lines (1).

Remove timing case cover (2) towards front.

Fig 1: Identifying Timing Case Cover Screws

G04739723

Courtesy of BMW OF NORTH AMERICA, INC.

Drive out water pipe (1) with special tool 23 1 040 at cutout (2) towards front.

Installation:

Replace water pipe (1) and sealing ring (3).

Fig 2: Identifying Water Pipe And Sealing Ring

G04739724

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Clean sealing surfaces and replace seal.

Install timing case cover, insert all screws and initially tighten to approx. 5 Nm.

Fully tighten all screws in alternate sequence.

Tightening torque: 11 14 1AZ . See CASE COVERS for specs.

IMPORTANT:

Once all screws have been tightened down, retighten them in a second operation.

Replace RADIAL SEAL in timing case at bottom.