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11 37 Variable Valve Gear

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
VARIABLE VALVE GEAR - TIGHTENING TORQUE

  Type Thread Description Tightening Specification
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
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