11 12 595 Checking a valve guide for wear - valve removed (S50 / S54)

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Measure tilt clearance.

Fig 1: Measuring Tilt Clearance

Courtesy of BMW OF NORTH AMERICA, INC.

For measurement, install a new valve in such a way that the end of the valve shaft seals the valve guide.

Mount dial gauge and measure tilt clearance.

For max. permissible tilt clearance, refer to 11 12 CYLINDER HEAD WITH COVER S54 .

CAUTION: Repair valves of larger stem diameters are "not" supplied.

In event of excessive tilt clearance: replace cylinder head.