LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Automatic Transmission - Tightening Torques) >> Transmission Assembly >> 24 00 Transmission in general

24 00 Transmission in general

WARNING: This page does not describe the selected car, but rather 38 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
TRANSMISSION TIGHTENING TORQUE SPECIFICATIONS (GENERAL)

  Type Thread Tightening specification Measure
1AZ Transmission to engine. Hex screws All M8   24 Nm
Hex screws All M10   45 Nm
Hex screws All M12   82 Nm
Torx bolts All M8   21 Nm
Torx bolts All M10   42 Nm
Torx bolts All M12   72 Nm
Torx bolts GA6HP19Z M6   9 Nm
Torx bolts GA6HP19Z M8   22 Nm
Torx bolts GA6HP19Z M12   73 Nm
Torx screws steel N52 GA6HP19Z M8   19 Nm
Torx screws steel N52 GA6HP19Z M12   66 Nm
2AZ Transmission to N52 engine Aluminium screws are marked blue GA6HP19Z   Replace screws Jointing torque and angle of rotation must be observed without fail  
  GA6HP19Z M10x30 Jointing torque 20 Nm
      Torque angle 90-110°
  GA6HP19Z M10x85 Jointing torque 20 Nm
      Torque angle 180-200°
  GA6HP19Z M12 Jointing torque 34 Nm
      Torque angle 90-110°
3AZ Reinforcement shell to transmission/extension All M8   23 Nm