11 34 560 Replacing all valve stem seals (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 6 370
11 6 380

Necessary preliminary tasks:

Installation:

Insert all Valves.

Firmly press special tool 11 6 370 onto old valve stem seals.

Detach valve stem seal from valve stem by turning and simultaneously pulling special tool 11 6 370.

NOTE: Illustration N42.

Fig 1: Identifying Special Tool (11 6 370)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For use on the N52 engine, special tool 11 6 380 must be remachined according to the sketch with a 10 mm dia. drill bit to a depth of B = approx. 23 mm.

This modification has already been taken into account for reordering.

Fig 2: Identifying Special Tool (11 6 380)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Fit the mounting sleeves (plastic sleeves) supplied in the spare part on the valve stem end. Lubricate mounting sleeve.

Press on valve stem seal by hand with special tool 11 6 380 as far as it will go.

Fig 3: Identifying Special Tool (11 6 380)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.