34 31 Master Brake Cylinder
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - MASTER BRAKE CYLINDER
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Brake master cylinder to brake booster (vacuum) | F01, F02, F03, F04, F06, F07, F10, F11, F12, F13, F18, F25 | M8 | Replace self-locking nuts. | 23±2 Nm |
| 2AZ Distance sensor to brake master cylinder | F04 | M4 | Replace screws. | 3.5 Nm |
| 3AZ Retaining screw, expansion tank to brake master cylinder | F25 | 8 Nm |