Z Series E85 Z4 3.0i (N52) ROADST
11 21 531
Replacing all crankshaft main bearings (N52)
Special tools required:
•
00 2 590
•
11 4 251
•
11 4 252
•
11 4 470
Important!
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of
electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts
exclusively.
Aluminium screws/bolts must be replaced each time they are
released.
The end faces of aluminium screws/bolts are painted blue for
the purposes of reliable identification.
Jointing torque and angle of rotation must be observed
without fail (risk of damage).
Necessary preliminary tasks:
•
Remove crankshaft.
RA Replacing all crankshaft main bearings (N52)
BMW AG - TIS
15.02.2013 16:29
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
