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Home >> BMW >> 2017 >> M3 Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Tightening Torques (F80) >> 1112 Cylinder Head

1112 Cylinder Head

11 12 CYLINDER HEAD WITH CYLINDER HEAD COVER - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Cylinder head bolt S55 M11x173 Replace screws.
Jointing torque 30 Nm
1) Angle of rotation 90°
2) Angle of rotation 180°
2AZ Cylinder head bolt S55 M9x30
M9x70
  22 Nm
3AZ Cylinder head cover to cylinder head. S55 M6   9 Nm
4AZ Towing lug to cylinder head S55   Hand-tighten to limit position  
5AZ Ignition coils and injector slot to cylinder head S55 M6x35   9 Nm
6AZ Wiring harness to cylinder head cover S55 D10L43.5 Self-tapping screw (ball pin) 7 Nm
7AZ Heat shield support to cylinder head S55 M6x16   10 Nm
8AZ Ground strap to rear of cylinder head S55 M6x16   8 Nm
9AZ Battery voltage wire holder to cylinder head S55 M7x18   13 Nm
10AZ Blow By line with heating to clean air pipe of cylinder 1-3 S55 Ejot drive train 50x 20   3 Nm
11AZ Screw plug in oil chamber S55 M 16x1.5 Replace screw with sealing ring. 27 Nm
12AZ Sealing flange of servomotor to cylinder head cover S55 M6x18 Self-tapping screw 6 Nm
13AZ Stud bolt of exhaust manifold (turbocharger) to cylinder head S55 M7   8 Nm
Flange to assembly jig M14X30 Tightening torque 135 Nm