Z Series E85 Z4 3.0Si (N52) ROADST
Important!
Observe different M9 bolt lengths (1 and 3).
Release M9 cylinder head bolts (1 and 3) with special tool
11 4 420 .
Tightening torque 11 12 2AZ
.
Release M10 cylinder head bolts (2) with special tool 11 8 580
from outside inwards.
Tightening torque 11 12 1AZ
.
Important!
All cylinder head bolts (1, 2 and 3) must be replaced.
Jointing torque and angle of rotation must be observed
without fail.
Risk of damage!
Secure special tool 11 0 320 with existing cylinder head cover
bolts (1).
Tightening torque 11 12 5AZ
.
Important!
Removing and install cylinder head with a second person
helping.
Weight of cylinder head with add-on parts is approx. 40 kg.
Do not set cylinder head down on sealing face, risk of
damage to valves.
Insert special tool 11 4 430 into bores.
RA Removing and installing cylinder head (N52)
BMW AG - TIS
16.02.2013 21:51
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 4 -
