34 31 Brake Master Cylinder
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2007 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - BRAKE MASTER CYLINDER (1AZ - 3AZ)
| Type | Thread | Tightening Specification | Measure | |
|---|---|---|---|---|
| 1AZ Brake master cylinder to brake booster (vacuum) | E30 | 24 N.m. | ||
| E32 | Replace self-locking nut. | 21 N.m. | ||
| E28, E34, E36, E46, E38, E39, E52, E53, E85, E83 | Replace self-locking nut. | 26 N.m. | ||
| E65, E66, E60, E61, E63, E64 | Replace self-locking nut. Retighten after 30 minutes. | 26 N.m. | ||
| 2AZ Brake master cylinder to brake booster hydraulic | E31, E32, E34, E24 | Replace hexagon socket head screw with a hexagon screw | 28 N.m. | |
| 3AZ Expansion tank to brake master cylinder | E36, E46, E85 | 3.5 N.m. | ||
| E83, E60, E61, E63, E64 | 8 +/- 2 N.m. |