1 Series 125i (N52K) Convertible
11 37 Variable valve gear
Type
Thread
Tightening specification
Measure
1AZ ASA screws
(11 x)
Guide block to timing case.
N52K
M6 x 23
Only one screw (inside)
plus the oil spray nozzle
are fitted on cylinder no. 3.
10 Nm
2AZ ASA screws
(6 x)
Torsion spring to cylinder head.
N52K
M6 x 20
10 Nm
3AZ ASA screws
(2 x on cylinder head)
(1 x on cylinder head cover)
Electric servomotor to cylinder head
and to cylinder head cover.
N52K
M6 x 16
1. Join screws hand-tight
to cylinder head.
2. Join screw hand-tight to
cylinder head cover.
3. Jointing torque on
cylinder head.
4. Jointing torque on
cylinder head cover.
10 Nm
4AZ ASA screw
(1 x)
Oil spray nozzle to guide block.
N52K
M6 x 30
Oil spray nozzle is fitted on
cylinder no. 3 (outside).
10 Nm
5AZ Stop screw
(1 x)
Stop screw of eccentric shaft to
cylinder head.
N52K
M6
10 Nm
AZD Variable valve gear
BMW AG - TIS
17.01.2013 20:29
Issue status (12/2007) Valid only until next DVD is issued
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