11 34 560 Replacing All Valve Stem Seals (N62)

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. 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.