11 14 110 Removing and installing bottom timing case cover (N62 / N62TU)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

23 1 040

Necessary preliminary tasks:

Remove engine, refer to 11 00 050 Removing and installing engine (N62)
Remove both cylinder heads, refer to 11 12 105 Removing and installing left cylinder head (N62 from 9 / 03 or 11 12 105 Removing and installing left cylinder head (N62 to 9 / 03) and 11 12 106 Removing and installing right cylinder head (N62 from 9 / 03 and N62TU) or 11 12 106 Removing and installing right cylinder head (N62 to 9 / 03)
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: 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.

Fig 2: Driving Out Water Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

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 11 14 1AZ. Refer to ENGINE - TIGHTENING TORQUES .

IMPORTANT: Once all screws have been tightened down, retighten them in a second operation.

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) .