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

Special tools required: 

• 11 4 470 

See ENGINE - SPECIAL TOOLS (N54, N63) .

Necessary preliminary tasks: 

• Remove engine  . 
• Remove both left cylinder head   and  right cylinder head  . 
• Remove lower oil  sump   section  .
• Remove upper oil  sump   section  .
• Remove alternator belt tensioner   .
• Remove vibration damper   .
• Remove coolant pump   .
• Remove alternator  . See 12 31 020 REMOVING AND INSTALLING OR REPLACING ALTERNATOR (N63) .
• Remove A/C compressor  . See 64 52 521 REPLACING A/C SYSTEM COMPRESSOR (N63) .
• Remove hub for vibration damper  

  Release screws along lines (1).

  Remove timing case cover (2) towards front.

  Clean sealing faces with special tool 11 4 470.

Fig 1: Identifying Timing Case Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Identifying Jump Guard Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Clean sealing faces with special tool 11 4 470.

Installation: 

Preposition all bolts in timing case cover.

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

Fig 3: Identifying Metal Gaskets Applying Area

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, see 11 14 CASE COVERS

Installation: 

Wait for PU material to emerge at sealing joints.

Carefully wipe off  protruding PU material.

Fig 4: Identifying Timing Case Cover Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Replace radial shaft seal  in timing case cover at bottom  .

Assemble engine.