11 12 595 Checking a valve guide for wear (N62)
WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
(Valve Removed)
To measure tilt clearance, install a new valve so that end of valve stem is flush with valve guide.
Attach dial gauge and measure tilt clearance.
NOTE:
Max. permissible tilt clearance.
Courtesy of BMW OF NORTH AMERICA, INC.