7 Series E66 730Li (N52) SAL
Check setting of oil spray nozzles, adjusting if necessary:
Attach special tool 11 4 251 to screw connection on main
bearing.
Special tool 11 4 252 must be pre-installed at the seventh main
bearing block.
Tightening torque: 11 11 5AZ
.
Note:
See illustration.
Remove bearing shells (2) and (3).
Note:
Guide bearing shell (3) is a thrust bearing.
Observe bearing classification.
Installation:
Bearing shell (1) with lubricant groove must be fitted in crankcase
upper section.
Bearing shell (2) without lubricant groove must be fitted in
crankcase lower section (bedplate).
Surface (1) for identification.
Seven-digit part number (2).
Bearing classification (3) of crankshaft as per table (values 1 to
3).
Reworking (4) as per table (main bearing).
B= build date 1 (-0.25mm).
B= build date 2 (-0.50mm).
Reworking (5) as per table (lift bearing).
B= construction stage 1 (-0.25mm).
C = construction stage 2 (-0.50mm)
RA Replacing all crankshaft main bearings (N52)
BMW AG - TIS
06.02.2013 23:30
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 2 -