34 31 Foot Brake/Tandem Brake Master Cylinder
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2019 BMW 340i GT xDrive, 2019 BMW 330i xDrive, 2019 BMW 330i GT xDrive, 2018 BMW 340i GT xDrive, and 2018 BMW 330i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
34 31 MASTER BRAKE CYLINDER - TIGHTENING TORQUE SPECIFICATIONS
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Brake master cylinder to brake booster (vacuum) | F20/F21/F22/F23/F30/F31/F32/F33/F34/F35/F36 | M8 | Replace self-locking nuts. | 21 Nm |
| 2AZ Retaining screw for expansion tank | F20/F21/F22/F23/F30/F31/F32/F33/F34/F35/F36 | 4 Nm |