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

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Valves 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.

NOTE: Max. permissible tilt clearance,

refer to 11 12 CYLINDER HEAD WITH VALVE SEAT COVER M62 in Technical Data.

Fig 1: Measuring Valve Stem End Clearance Using Dial Gage

Courtesy of BMW OF NORTH AMERICA, INC.

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) (VALVE REMOVED) .

Fig 2: Identifying Repair Valve With Larger Shaft Diameter

Courtesy of BMW OF NORTH AMERICA, INC.