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Home >> BMW >> 2015 >> Z4 sDrive28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine - Tightening Torques (N54) -- Z4_E89) >> Cylinder Head With Cylinder Head Cover (N54) >> 11 12 Cylinder head with cylinder head cover

11 12 Cylinder head with cylinder head cover

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TIGHTENING TORQUE SPECIFICATIONS - CYLINDER HEAD WITH CYLINDER HEAD COVER

  Type Thread Tightening specifications Dimension
1AZ Cylinder head bolt N54/N54T M11 x 135 Replace screws.  
      Jointing torque 30 Nm
      1. Angle of rotation 90 °
      2. Angle of rotation 90 °
      3. Angle of rotation 45 °
2AZ Cylinder head bolt N54/N54T M9 x 95 M9 x 125 Replace screws.  
      Jointing torque 30 Nm
      1. Angle of rotation 90 °
      2. Angle of rotation omitted
      3. Angle of rotation 45 °
3AZ Cylinder head bolt N54/N54T M9 x 30 M9 x 70   22 Nm
4AZ Cylinder head cover to cylinder head. N54/N54T M6   8.5 Nm
5AZ Metal holder to cylinder head. N54/N54T M6 x 16   8 Nm
6AZ Lifting eye to cylinder head. N54/N54T M8 x 20   19 Nm
7AZ Ignition coil cover to cylinder head cover. N54/N54T M6 x 20   4 Nm
8AZ Hexagon screw (2 x) Metal bracket for ignition coil cover to cylinder head cover. N54/N54T M6 x 12   4 Nm