11 12 600 Reaming a valve guide (M62, S62)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
(valve removed)
NOTE:
In event of excessive clearance between valve stem and valve guide:
- Ream out valve guide
- Install repair valve with larger stem diameter
Assemble the reaming tool and guide taper (1) from the special tool kit 00 4 210 depending on the shaft diameter. Press guide taper (1) onto valve seat. Starting from combustion chamber side, ream valve guide dry. Rotate reaming tool once in downwards direction.
NOTE:
After reaming out, remachine valve seat, refer to 11 12 527 REMACHINING A VALVE SEAT (M62, S62) .