3 Series E90 325xi (N52K) SAL
11 12 Cylinder head with cylinder head cover
Type
Thread
Tightening specification
Measure
1AZ ISA screws
(cylinder head bolts)
(10 x)
Cylinder head to crankcase.
N52K
M10 x 125
Replace screws.
Tighten screws from inside
outwards.
Jointing torque and angle
of rotation must be
observed without fail.
Jointing torque
30 Nm
1st angle of rotation
90
°
2. Angle of rotation
90
°
3. Angle of rotation
45
°
2AZ ISA screws
(cylinder head bolts)
(1 x M9 x 95)
(3 x M9 x 125)
Cylinder head to crankcase.
N52K
M9
Replace screws.
Jointing torque and angle
of rotation must be
observed without fail.
Jointing torque
30 Nm
1st angle of rotation
90
°
2. Angle of rotation
omitted
3. Angle of rotation
45
°
3AZ Al screw
(1 x)
Cylinder head to crankcase.
The end faces of the aluminium
screw heads are painted blue.
N52K
M9 x 30
Replace screw.
Thread repairs exclusively
with aluminium Helicoil
threaded insert.
Jointing torque and angle
of rotation must be
observed without fail.
Jointing torque
10 Nm
Torque angle
90
°
4AZ ASA screws
(3 x)
Cylinder head to crankcase.
AZD Cylinder head with cylinder head cover
BMW AG - TIS
13.02.2013 15:19
Issue status (12/2007) Valid only until next DVD is issued
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