11 12 595 Checking a valve guide for wear (M57TU)

Necessary preliminary tasks:

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

Fit special tool 00 2 510 (dial gauge) and measure tilt clearance.

Max. permitted tilt clearance:

NOTE: In event of excessive tilt clearance, replace cylinder head and valves.

Fig 1: Measuring Tilt Clearance Using Dial Gauge

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.