34 33 Brake Booster
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 BOOSTER TIGHTENING SPECIFICATION
| Application | Type | Measure |
|---|---|---|
| 1AZ Reservoir to power flow regulator | All | 50 Nm |
| 2AZ Hydraulic pipe coupling to brake booster | All | 31 Nm |
| 3AZ Orifice valve to brake booster | All | 35 Nm |
| 4AZ Return pipe to oil tank on power flow regulator | All | 16 Nm |
| 5AZ Hydraulic pipe to brake booster on power flow regulator | All | 31 Nm |
| 6AZ Hydraulic pipe to steering gear on power flow regulator | All | 50 Nm |
| 7AZ Hydraulic pipe from power steering pump on power flow regulator | All | 40 Nm |
| 8AZ Hydraulic switch (warning switch) to power flow regulator | All | 18 Nm |
| 9AZ Adapter to power flow regulator | All | 16 Nm |
BRAKE BOOSTER TIGHTENING SPECIFICATION
| Application | Type | Thread | Tightening Specification | Measure |
|---|---|---|---|---|
| 10AZ Hydraulic pipe to pressure reservoir on power flow regulator | All | 47 Nm | ||
| 11AZ Hydraulic pipe to pressure reservoir | All | 40 Nm | ||
| 12AZ Brake booster to pedal assembly console | E85 | M8 | Retighten 1x after 30 minutes on brake booster | 22 Nm |
| E36, E46 | 25 Nm | |||
| E38, E39, E52, E53 | 31 Nm | |||
| E65, E66, E67, E60, E61, E63, E64, E83 | Retighten 1x after 30 minutes on brake booster | 26 Nm |