34 31 Brake Master Cylinder
TIGHTENING TORQUE SPECIFICATION - BRAKE MASTER CYLINDER
| - | 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 BMW Parts Service | 28 Nm |
| 3AZ Expansion tank to brake master cylinder | E36/E46/E85/E86 | - | - | 3.5 Nm |
| - | E83/E60/E61/E63/E64 | - | - | 8 ±2 Nm |