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Home >> BMW >> 2005 >> 525i Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 980 (Engine - Tightening Torques) >> 12 Cylinder Head And Cylinder Head Cover >> 11 12 Cylinder Head With Cover

11 12 Cylinder Head With Cover

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - CYLINDER HEAD AND CYLINDER HEAD COVER (1 OF 2)

  Type Thread Tightening specification Measure
1AZ Cylinder head bolts (steel bolt) S85 M10x1.5x110 Replace screws
Threads cleaned and oiled
 
      Jointing torque 40 Nm
      1. Angle of rotation 90 °
      2. Angle of rotation 90 °
2AZ Cylinder head bolts (steel bolt) S85 M6 Replace screws
Threads cleaned and oiled
8 Nm
3AZ Bearing cap to cylinder head S85 M7x1 Replace screws
Threads cleaned and oiled
15 Nm
4AZ Screw plug for water jacket to cylinder head. S85 M26x1x5 Replace screws
Threads cleaned and oiled
50 Nm
5AZ Screw plug to cylinder head S85 M22x1.5 Replace screws
Threads cleaned and oiled
50 Nm
6AZ Screwed gland for Mastervac S85 M10x1 Replace screws
Threads cleaned and oiled
13 Nm
7AZ Lifting lug to cylinder head S85 M8 Replace screws
Threads cleaned and oiled
15 Nm
8AZ Connection piece for electric switchover valve (secondary air) S85 M8x1 Cylinder head 6 to 10 only 10 Nm
9AZ Screw plug for chain rail to cylinder head. S85 M22x1.5 Replace screws
Threads cleaned and oiled
50 Nm
TIGHTENING TORQUE SPECIFICATION - CYLINDER HEAD AND CYLINDER HEAD COVER (2 OF 2)

  Type thread Measure
11AZ Cylinder head cover All M6 10 Nm
  All M7 15 Nm
  M21 M8 15 Nm
12AZ Oil trap to cylinder head cover M21 M8 17 Nm
13AZ Timing case to cylinder head All M7 15 Nm
  All M8 20 Nm
14AZ Plug for oil channel (microencapsulated) M47 / M57 M12 x 1.5 20 Nm
15AZ Vent plugs to cylinder head (coolant) M67   2 Nm