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. See Cylinder Head With Cover .
• Remove lower oil sump
• Remove upper oil sump
• Remove vibration damper 
• Remove water pump 
• Remove tensioner from poly-V-belt
• Remove alternator with housing. See GENERATOR 4.4L (N62) .
• 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: Removing Timing Case Cover

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, see ENGINE - TIGHTENING TORQUES .

Replace radial seal in timing case at bottom.