11 34 560 Replacing all valve stem seals (N52K)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
- 11 1 480
- 11 6 380
Necessary preliminary tasks:
- Remove Cylinder Head .
- Remove Intermediate Lever
- Remove Eccentric Shaft
- Remove intake camshaft
- Remove 11 31 028 Removing and installing/replacing exhaust camshaft (N52K) .
- Remove Cam Followers
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.
NOTE:
For use on the N52K engine, special tool 11 6 380 must be re-machined according to the picture 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.
IMPORTANT:
Different diameters at valve stem.
All valve stem seals are color-coded.
For 5 mm dia. valves, the valve stem seal is marked red or brown.
For 6 mm dia. valves, the valve stem seal is marked green or light green.
Installation:
Fit the mounting sleeves (plastic sleeves) contained in the delivery specification 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.
Assemble engine.