34 31 Brake Master Cylinder
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
BRAKE MASTER CYLINDER - TIGHTENING TORQUES
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Brake master cylinder to brake booster (vacuum) | E30 | 24 Nm | ||
| E32 | Replace self-locking nut. | 21 Nm | ||
| E28 / E34 / E36 / E46 / E38 / E39 / E52 / E53 / E85 / E86 / E83 | Replace self-locking nut. | 26 Nm | ||
| E65 / E66 / E60 / E61 / E63 / E64 | Replace self-locking nut. Retighten after 30 minutes. | 26 Nm | ||
| 2AZ Brake master cylinder to brake booster hydraulic | E31 / E32 / E34 / E24 | Replace hexagon socket head screw with a hexagon screw, refer to | 28 Nm | |
| 3AZ Expansion tank to brake master cylinder | E36 / E46 / E85 / E86 | 3.5 Nm | ||
| E83 / E60 / E61 / E63 / E64 | 8 ±2 Nm |