LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2021 >> 230i 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine -- Tightening Torques (F22 & F23) >> 1112 CYLINDER HEAD (230i and 230i xDrive coupe/convertible)

1112 CYLINDER HEAD (230i and 230i xDrive coupe/convertible)

1112 CYLINDER HEAD WITH CYLINDER HEAD COVER - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Cylinder head bolt
Observe the property class!
B46M0/B48M0 M11x1.5x188 11.9 Replace screws.  
1. Tightening torque 30 Nm
2. Angle of rotation 90°
3. Angle of rotation 180°
B42S20O0/B46O0/B48O0 M11x1.5x188 13.9 Replace screws.  
1. Tightening torque 50 Nm
2. Angle of rotation 180°
3. Angle of rotation 180°
2AZ Cylinder head bolt to timing case cover B42S20O0/B46M0AD0/B48M0AD0 M8x40 Tightening torque 20 Nm
3AZ Cylinder head cover to cylinder head. B42S20O0/B46M0AD0/B48M0AD0 M6 1. Joining torque 8 Nm
2. Tightening torque 11 Nm
4AZ Front lifting eye on the cylinder head. B42S20O0/B46M0AD0/B48M0AD0 M8 Tightening torque 22 Nm
5AZ Chain tensioner to cylinder head. B42S20O0/B46M0AD0/B48M0AD0   1. Tightening torque 20 Nm
2. Angle of rotation 30°
1112 TIGHTENING TORQUE OVERVIEW

Bearing journal to cylinder head 
Replace the bearing journal! Tightening torque  20 Nm
Cylinder head on device 
M10X90x1.5 Tightening torque  30 Nm
Cylinder head to special tool 2 361 215 
  Tightening torque  35 Nm
Flange to assembly jig 
M14X30 Tightening torque  135 Nm
Sliding rail to cylinder head 
M6x16 Tightening torque  8 Nm
Special tool 00 2 320 to special tool 00 2 300 
M14X95 Tightening torque  130 Nm
Special tool 2 456 190 to cylinder head 
M6X20 Tightening torque  8 Nm
Trim strip at the cylinder head 
M7 1. Joining torque  10 Nm
2. Joining torque  16 Nm
3. Tightening torque  18 Nm
Venting connector/special tool to cylinder head 
M10 Tightening torque  18 Nm