Special tools required:

WARNING: This page is about a different car, the 2008 BMW 760Li and 2007 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

23 1 040

Necessary preliminary tasks:

Remove engine. See 11 00 050 Removing and Installing Engine (N73)
Remove left cylinder head. See 11 12 105 Removing and Installing Left Cylinder Head (N73)
Remove right cylinder head. See 11 12 106 Removing and Installing Right Cylinder Head (N73)
Remove lower oil sump section. See 11 13 020 Removing and Installing/Replacing Oil Sump Bottom Section (N73)
Remove upper oil sump section. See 11 13 010 Removing and Installing/Replacing Oil Sump Top Section (N73)
Remove water pump with thermostat. See 11 51 000 Removing and Installing/Replacing Water Pump (N73)
Remove vibration damper. See 11 23 010 Removing and Installing/Replacing Vibration Damper (N73)
Remove hub for vibration damper. See 11 23 031 Removing and Installing/Replacing Vibration Damper Hub (N73)
Remove tensioning element for alternator drive belt. See 11 28 010 Replacing Alternator Drive Belt (N73)
Remove alternator with housing. See 12 31 020 REMOVING AND INSTALLING/REPLACING ALTERNATOR (LIQUID-COOLED N73)
Remove flywheel. See 11 22 510 Removing and Installing/Replacing Flywheel (N73)
Remove rear coolant cap. See 11 14 250 Removing and Installing/Replacing Rear Coolant Cap (N73)

Release screws along lines (1).

Remove timing case cover (2) towards front.

Fig 1: Identifying Timing Case Cover And Screws Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove coolant pipe (2).

Release screws along lines (3) and remove end cover (4) towards top.

Installation:

Replace all seals.

Tightening torque: 11 14 5AZ. See 11 14 CASE COVERS

Fig 2: Identifying Coolant Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

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

Fig 3: Identifying Coolant Pipe And Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.

Press in coolant pipe (1) by hand.

Installation:

Grease sealing rings with mounting lubricant.

Clean sealing faces (2).

Check adapter sleeves (3) for damage and correct installation position.

Installation:

Replace gaskets (4), observe installation position.

Fig 4: Identifying Adapter Sleeves, Sealing Faces And Coolant Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.