LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2021 >> M550i xDrive >> Repair and Diagnosis >> External Pages >> Different car >> Section 263 (Engine Electrical System -- Tightening Torques 530I, 530I XDRIVE, 540I, 540I XDRIVE (G30)) >> 12 36 HYBRID AND ELECTRIC DRIVE SYSTEM (540i 2017-2022, 540i xDrive 2017-2022)

12 36 HYBRID AND ELECTRIC DRIVE SYSTEM (540i 2017-2022, 540i xDrive 2017-2022)

WARNING: This page does not describe the selected car, but rather 40 other vehicles, including the 2023 BMW 540i xDrive, 2023 BMW 540i, 2023 BMW 530i xDrive, 2023 BMW 530i, and 2023 BMW 530e xDrive. However, it is still accessible from the selected car via links, so may be relevant.
12 36 TIGHTENING TORQUE OVERVIEW

Battery ground lead to electrical machine electronics 
Observe notes on earth bonding screw connections!
M8x16
Tightening torque  19 Nm
Coolant line to electrical machine electronics 
M6x30 Tightening torque  8 Nm
High-voltage cable to electrical machine electronics 
M6x25
Tighten screws in crosswise sequence.
Joining torque  3 Nm
Tightening torque  8 Nm
High-voltage connector to electric drive unit 
M8x46 Tightening torque  19 Nm
Holder for electrical machine electronics (ELE) to electrical machine electronics (ELE) 
M6x30
Replace screws.
Joining torque  8 Nm
Angle of rotation 90°
Holder for electrical machine electronics to body 
Replace screws.
M8x20
Tightening torque  28 Nm
Angle of rotation 90°
Holder for electrical machine electronics to units compartment 
Replace screws.
M6x16
Tightening torque  12 Nm
Angle of rotation 90°
Holder for tension relief 
M6 tightening torque  8 Nm
Holder for tension relief to electrical machine electronics 
M6
Replace screws.
Joining torque  4 Nm
Angle of rotation 45°
Positive battery cable to electrical machine electronics 
M8x16 Tightening torque  15 Nm
Potential equalization line to electrical machine electronics 
Observe notes on earth bonding screw connections!
M8x16
Tightening torque  19 Nm