34 32 Brake Lines
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake line screws/union screws | E81, E82, E87, E88, E90, E91, E92, E93, M3, E84 | M12 x 1 | 12 Nm | |
| M3 | Blue union screw connection in steel e.g. brake hose | 17 Nm | |||
| 2AZ | Brake hose to brake caliper, front | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 24 ± 2 Nm | ||
| 3AZ | Brake hose to brake caliper, rear | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 24 ± 2 Nm | ||
TIGHTENING TORQUE SPECIFICATION - BRAKE LINES
34 33 Brake servo
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake booster to pedal assembly console | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M8 | Retighten 1x after 5 minutes on brake booster | 22 Nm |
TIGHTENING TORQUE SPECIFICATION - BRAKE SERVO
34 11 Front Brake
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake disc to wheel hub | E81, E82, E87, E88, E90, E91, E92, E93, E84 | Replace screws | 16 Nm | |
| 2AZ | Brake anchor plate to swivel bearing | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M12x1.5 | Replace self-locking or microencapsulated screws | 110 Nm |
| 3AZ | Guard plate to swivel bearing | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M6 | Replace self-locking or microencapsulated screws | 12 Nm |
| 4AZ | Guide screw (socket head cap screw) | E81, E82, E87, E88, E90, E91, E92, E93, E84 | WAF 7 | Replace self-locking or microencapsulated screws | 30 Nm |
| 5AZ | Guide screw (hexagon screw) | E81, E87, E88, E90, E84 | WAF 13 | Replace self-locking or microencapsulated screws | 35 Nm |
TIGHTENING TORQUE SPECIFICATION - FRONT BRAKE
34 31 Master Brake Cylinder
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake master cylinder to brake booster (vacuum) | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M8 | Replace self-locking nuts. | 21 ± 3 Nm |
TIGHTENING TORQUE SPECIFICATION - MASTER BRAKE CYLINDER
34 41 Parking brake
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Handbrake lever to body | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 21 Nm | ||
| 2AZ | Spring clip to wheel carrier | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M6 | 8 Nm | |
| 3AZ | Support Duo-Servo to wheel carrier, rear | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M8 | 15 Nm | |
| 4AZ | Guide tube to body | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M6 | 8 Nm | |
| 5AZ | Bracket, center console | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M6 | 8 Nm | |
TIGHTENING TORQUE SPECIFICATION - PARKING BRAKE
35 11 Pedal Assembly Console
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Bearing pedestal to brake assembly and body | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M8 | Retighten 1x on brake booster after 5 min | 21 Nm |
| E81, E82, E87, E88, E90, E91, E92, E93, E84 | M6 | 8 Nm | |||
TIGHTENING TORQUE SPECIFICATION - PEDAL ASSEMBLY CONSOLE
34 21 Rear Brake
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake disc to wheel hub | E81, E82, E87, E88, E90, E91, E92, E93, E84 | Replace screws | 16 Nm | |
| 2AZ | Brake caliper to wheel carrier | E81, E82, E87, E88, E90, E91, E92, E93, E84 | Replace self-locking or microencapsulated screws | 65 Nm | |
| 3AZ | Protective plate to wheel carrier | E81, E82, E87, E88, E90, E91, E92, E93, E84 | M6 | Replace self-locking or microencapsulated screws | 12 Nm |
| E81, E82, E87, E88, E90, E91, E92, E93, E84 | M8 | Replace self-locking or microencapsulated screws | 15 Nm | ||
| 4AZ | Guide screw (socket head cap screw) | E81, E82, E87, E88, E90, E91, E92, E93, E84 | WAF 7 | Replace self-locking or microencapsulated screws | 30-5 Nm |
| 5AZ | Guide screw (hexagon screw) | E81, E87, E88, E90, E92, E84 | WAF 13 | Replace self-locking or microencapsulated screws | 35 ± 3 Nm |
TIGHTENING TORQUE SPECIFICATION - REAR BRAKE
34 51 Slip control system (DSC)
| Type | Thread | Tightening specifications | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Control unit on hydraulic unit | MK60, E81, E82, E87, E88, E90, E91, E93 | 5+1 Nm | ||
| MK60E5, E90, E91, E92, E93 | 2±1 Nm | ||||
| 2AZ | DSC sensor to holder | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 8 Nm | ||
| 3AZ | Bracket, DSC sensor, to body | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 8 Nm | ||
| 4AZ | Pulse generator to swivel bearing/wheel carrier | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 8 Nm | ||
| 5AZ | Bracket to hydraulic unit | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 8 Nm | ||
| 6AZ | Bracket, hydraulic unit to body | E81, E82, E87, E88, E90, E91, E92, E93, E84 | 8 Nm | ||
TIGHTENING TORQUE SPECIFICATION - SLIP CONTROL SYSTEM (DSC)
34 00 Testing and bleeding brakes
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Vent valve | E81, E82, E87, E88, E90, E91, E92, E93, E84 | Wrench size 9 mm | 7-11 Nm | |
| E81, E82, E87, E88, E90, E91, E92, E93, E84 | WAF 11 | 12-18 Nm | |||
TIGHTENING TORQUE SPECIFICATION - TESTING AND BLEEDING BRAKES