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Home >> BMW >> 2021 >> X4 M Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine -- Tightening Torques (F98) >> 1112 Cylinder Head

1112 Cylinder Head

1112 TIGHTENING TORQUE OVERVIEW

Flange on assembly jig 
M14X30 tightening torque  135 Nm
Ball hub on the cylinder head cover/intake plenum 
  tightening torque  5 Nm
Cylinder head on device 
M10X90x1.5 Tightening torque  30 Nm
Sliding rail to cylinder head 
M6x16 Tightening torque  8 Nm
Bearing journal to cylinder head 
Bearing journal
Replace the bearing journal!
Tightening torque  22 Nm
Cylinder head bolt to timing case cover 
M8x40
Replace screws.
Tightening torque  19 Nm
Special tool 00 2 320 to special tool 00 2 300 
M14X95 Tightening torque  130 Nm
Cylinder head to special tool 2 361 215 
  Tightening torque  35 Nm
Venting connector/special tool to cylinder head 
M10 Tightening torque  8 Nm
Flange on assembly jig 
M14X30 tightening torque  135 Nm
Cylinder head cover to cylinder head 
M6
Replace screws.
Joining torque  4 Nm
Angle of rotation  90°
Oil filler neck on cylinder head cover 
M6 tightening torque  8 Nm
Oil return line in the cylinder head 
M6X15 tightening torque  6 Nm
Cylinder head to crankcase 
M11X188 13.9
Observe tightening sequence!
Fit new cylinder head bolts.
1. Joining torque  50 Nm
2. Angle of rotation  180°
3. Angle of rotation  180°
Holder for the heat shield on crankcase 
M6X16 tightening torque  8 Nm
Holder for the tank vent valve on crankcase 
M6X16 tightening torque  8 Nm
Flange to assembly jig 
M14X30 Tightening torque  135 Nm