11 34 560 Replacing all valve stem seals (N14)

WARNING: This page is about a different car, the 2008 MINI Cooper and 2007 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 1 480
11 6 380

Necessary preliminary tasks:

Remove Cylinder Head .
Remove Inlet Camshaft .
Remove Exhaust Camshaft .
Remove Roller Cam Follower .
Remove All Valve Springs .

Firmly press special tool 11 1 480 onto old valve stem seals.

Detach valve stem seal from valve stem by turning and simultaneously pulling special tool 11 1 480 .

Installation:

Insert all Valves .

Fig 1: Special Tool (11 1 480) And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For use on the N54 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: Special Tool (11 6 380) And Depth Measurement (B)

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: Special Tool (11 6 380) And Installation Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.