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Home >> BMW >> 2015 >> Z4 sDrive35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine - Tightening Torques (N20) -- Z4-E89) >> Cylinder Head With Cylinder Head Cover >> 11 12 Cylinder head with cylinder head cover

11 12 Cylinder head with cylinder head cover

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TIGHTENING TORQUE SPECIFICATION - CYLINDER HEAD WITH CYLINDER HEAD COVER

  Type Thread Tightening specifications Dimension
1AZ Cylinder head bolt N20/N26 M11 x 173 Renew screws.
Jointing torque
  1. Angle of rotation
  2. Angle of rotation
30 Nm
90 °
180 °
2AZ Cylinder head bolt N20/N26 M9 x 173 Renew screws.
Jointing torque
  1. Angle of rotation
  2. Angle of rotation
30 Nm
90 °
180 °
3AZ Cylinder head bolt N20/N26 M9 x 30
M9 x 70
  22 Nm
4AZ Cylinder head cover to cylinder head. N20/N26 M6   9 Nm
5AZ Towing lug to cylinder head N20/N26     30 Nm
6AZ Ignition coils and injector slot to cylinder head N20/'N26 M6 x 35   10 Nm
7AZ Earth connection for cylinder head N20/N26 M5 Earth connection 6 Nm
8AZ Plug N20/N26 M16 x 1.5 Replace screw with sealing ring. 27 Nm
9AZ Flange to cylinder head cover N20/N26 6x18 Self-tapping plastic screw 14 Nm