34 31 Brake Master Cylinder
WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
BRAKE MASTER CYLINDER TIGHTENING SPECIFICATION
| Application | Type | 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, 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 | 28 Nm |
| 3AZ Expansion tank to brake master cylinder | E36, E46, E85 | 3.5 Nm | |
| E83, E60, E61, E63, E64 | 8 +/- 2 Nm |