11 12 595 Checking a valve guide for wear (M62, S62)

WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.

(valve removed)

To measure tilt clearance, insert new valve so that valve stem end is flush with valve guide.

Mount dial gage and measure tilt clearance.

Fig 1: Measuring Tilt Clearance

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Max. permissible tilt clearance, refer to 11 12 CYLINDER HEAD WITH COVER S62 .

NOTE: If tilt clearance is excessive, valve guide is reamed out and a repair valve with a larger shaft diameter is installed.

If necessary, ream out valve guide, refer to 11 12 600 REAMING A VALVE GUIDE (M62, S62) .

Fig 2: Identifying Valve Guide

Courtesy of BMW OF NORTH AMERICA, INC.