11 14 110 Removing and installing lower timing case cover (N63)

Special tools required 

• 11 4 470

Necessary preliminary tasks: 

• Remove ENGINE 
• Remove both cylinder heads. See LEFT CYLINDER HEAD COVER  and RIGHT CYLINDER HEAD COVER .
• Remove LOWER OIL SUMP SECTION 
• Remove UPPER OIL SUMP SECTION 
• Remove alternator BELT TENSIONER 
• Remove VIBRATION DAMPER 
• Remove COOLANT PUMP 
• Remove ALTERNATOR
• Remove A/C compressor
• Remove hub for VIBRATION DAMPER 

Release screws along lines (1).

Remove timing case cover (2) towards front.

Clean sealing surfaces with special tool 11 4 470 .

Fig 1: Identifying Timing Case Cover And Screws Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 11 14 1AZ .

Remove jump guard (2).

Fig 2: Identifying Jump Guard And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Clean sealing surfaces with special tool 11 4 470 .

Installation note: 

Preposition all bolts in timing case cover.

Replace beaded metal gaskets (1, 2 and 3). 

Fig 3: Identifying Beaded Metal Gaskets

Courtesy of BMW OF NORTH AMERICA, INC.

Fit timing case cover (2).

Initially tighten all bolts to approx. 5 Nm.

Fully tighten all bolts in alternate sequence.

Tightening torque 11 14 2AZ .

Installation note: 

Wait for PU material to emerge at sealing joints.

Carefully wipe off  protruding PU material.

Fig 4: Identifying Timing Case Cover And Screws Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Replace RADIAL SHAFT SEAL in gear case cover at bottom  .

Assemble engine.