Z Series E85 Z4 3.0i (M54) ROADST
11 12 600
Reaming a valve guide (M52 / S52 / M52TU /
M54 / M56)
Special tools required:
•
00 4 210
(valve removed)
Note:
In event of excessive clearance between valve stem and valve
guide:
Valve guide is reamed and a repair valve with a larger stem
diameter is installed.
Assemble reaming tool and guide taper (1) from special tool kit
00 4 210 depending on stem diameter. Press guide taper (1)
onto valve seat. Starting from combustion chamber side, ream
valve guide dry. Rotate reaming tool once in downwards direction.
Note:
Remachine valve seat after reaming.
RA Reaming a valve guide (M52 / S52 / M52TU / M54 / M56)
BMW AG - TIS
15.02.2013 10:11
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
