11 22 500 Removing and installing or replacing flywheel (N52)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 4 180
11 9 260
11 9 265

IMPORTANT: Aluminium-magnesium materials.

No steel screws/bolts may be used due to the threat of electrochemical corrosion.

A magnesium crankcase requires aluminium screws/bolts exclusively.

Aluminium screws/bolts must be replaced each time they are released.

The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.

Jointing torque and angle of rotation must be observed without fail (risk of damage).

Necessary preliminary tasks:

Remove Transmission.
Remove Clutch.

Block flywheel (1) with special tool 11 9 260, use an old transmission screw for this purpose.

Installation:

Replace aluminium screws.

Unfasten flywheel screws.

For tightening torque refer to 11 22 1AZ in 11 22 FLYWHEEL (N52) .

Installation:

Flywheel (1) is secured with an alignment pin.

Fit new flywheel screws.

Clean crankshaft thread for flywheel screws.

Fig 1: Identifying Special Tools (11 9 260), (11 9 263), (11 9 264) And Flywheel

Courtesy of BMW OF NORTH AMERICA, INC.

Secure flywheel with an old transmission screw (1) and special tools 11 9 260 and 11 9 265.

Installation:

Replace aluminium screws.

Release flywheel screws with special tool 11 4 180.

Installation:

Flywheel is secured with a dowel pin.

Fit new flywheel screws.

For tightening torque refer to 11 22 2AZ in 11 22 FLYWHEEL (N52) .

Fig 2: Identifying Special Tools (11 9 265), (11 9 260), (11 4 180) And Flywheel Transmission Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.