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

Special Tools Required: 

• 23 1 040

Necessary Preliminary Tasks: 

• Remove engine.
• Remove both cylinder heads. Refer to 11 12 105 REMOVING AND INSTALLING LEFT CYLINDER HEAD (N62 FROM 9/03 AND N62TU)  and 11 12 106 REMOVING AND INSTALLING RIGHT CYLINDER HEAD (N62 FROM 9/03 AND N62TU) .
• Remove lower oil sump section. Refer to 11 13 020 REMOVING AND INSTALLING/REPLACING OIL SUMP BOTTOM SECTION (N62) .
• Remove upper oil sump section. Refer to 11 13 010 REMOVING AND INSTALLING/REPLACING OIL SUMP TOP SECTION (N62) .
• Remove vibration damper. Refer to 11 23 010 REMOVING AND INSTALLING/REPLACING VIBRATION DAMPER (N62) .
• Remove water pump. Refer to 11 51 000 REMOVING AND INSTALLING WATER PUMP (N62) .
• Remove tensioner from poly-V-belt.
• Remove alternator with housing.
• Remove hub for vibration damper. Refer to 11 23 031 REMOVING AND INSTALLING / REPLACING VIBRATION DAMPER HUB (N62 / N62TU) .
• Remove flywheel. Refer to 11 22 000 REMOVING AND INSTALLING/REPLACING FLYWHEEL (N62) .
• Remove rear coolant cap.

Release screws along lines (1).

Remove timing case cover (2) towards front.

Fig 1: Identifying Timing Case Cover Screws

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: Replacing Water Pipe And Sealing Ring

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, refer to 11 14 1AZ in ENGINE - TIGHTENING TORQUES .

Replace radial seal in timing case at bottom. Refer to 11 14 141 REPLACING RADIAL SHAFT SEAL IN TIMING CASE COVER AT BOTTOM (N62 / N62TU) .