11 34 560 Replacing All Valve Stem Seals (N62)

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 750i, 2008 BMW 750Li, and 2008 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 1 380
11 6 370
11 6 380

Preliminary tasks are described in DISASSEMBLING AND ASSEMBLING CYLINDER HEAD .

Press special tool 11 6 370 onto valve stem seal.

Withdraw valve stem seal by turning and simultaneously unscrewing special tool 11 6 370.

Fig 1: Identifying Special Tool (11 6 370)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Lubricate valve stem with oil and insert valve.

Fit special tool 11 1 380.

Coat new valve stem seal (1) with oil and install.

Fig 2: Identifying Special Tool (11 1 380)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

For use on the N62 engine, special tool 11 6 380 must be remachined in accordance with the illustration with a 6.2 mm dia. drill bit to a depth of A = approx. 45 mm. This modification has already been taken into account for reordering.

Fig 3: Identifying Special Tool (11 6 380)

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Identifying Special Tool (11 6 380)

Courtesy of BMW OF NORTH AMERICA, INC.