34 00 Testing and bleeding brakes
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Vent valve | E39 / E38 / E46 / E52 / E53 / E83 / E85 / E86 / E65 / E66 / E67 / E60 / E61 / E63 / E64 | Width across flats 7 | 3.5-5.0 Nm | |
| Width across flats 9 | 7-11 Nm | ||||
| Width across flats 11 | 12-16 Nm | ||||
TESTING AND BLEEDING BRAKES - TIGHTENING TORQUES SPECIFICATION
34 11 Front Brake
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake disk to wheel hub (contact faces between brake disk and wheel hub cleaned and grease-free) | E39 / E38 / E46 / E52 / E53 / E85 / E86 / E83 / E65 / E66 / E67 / E60 / E61 / E63 / E64 | 16 Nm | ||
| 2AZ | Brake caliper to steering knuckle (screws lightly oiled, contact surfaces between brake caliper and steering knuckle cleaned and grease-free) | E34 / E36 / E32 / E31 / E38 / E39 / E46 / E52 / E53 / E65, E30 / 325iX, E66 / E67 / E83 / E85 / E86 / E60 / E61 / E63 / E64 | 110 Nm | ||
| 2AZ | With aluminum brake caliper | E31 | 115 Nm | ||
| E12 / E21 / E23 / E24 to 5.82 | 95 Nm | ||||
| E28 / E30 / E24 / from 5.82 | 123 Nm | ||||
| 3AZ | Guide bolt | E39 / E38 / E46 / E52 / E53 / E85 / E86 / E83 / E65 / E66 / E67 / E60 / E61 / E63 / E64 | Wrench size 7 mm | 30 - 5 Nm | |
| 4AZ | Bolts to guide pin (always replace) | E30 | 35 Nm | ||
| 5AZ | Protective plate to steering knuckle | E85 / E86 / E83 | M6 | 9 Nm | |
| E67 / E60 / E61 / E63 / E64 / E65 / E66 | M6 | 12 Nm | |||
FRONT BRAKE - TIGHTENING TORQUES SPECIFICATION
34 21 Rear Brake
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake drum/disc to wheel hub | E39 / E38 / E46 / E52 / E53 / E83 / E85 / E86 / E65 / E66 / E67 / E60 / E61 / E63 / E64 | 16 Nm | ||
| 2AZ | Wheel brake cylinder to brake anchor plate | E36 | 10 Nm | ||
| 3AZ | Brake carrier on semi-trailing arm/wheel carrier | E65 / E66 / E67 / E60 / E61 / E63 / E64 | 110 Nm | ||
| E46 / E85 / E86 / E86 | 65 Nm | ||||
| E83 | M10 | Replace microencapsulated screws | 65 Nm | ||
| 5AZ | Guide bolt | E39 / E38 / E46 / E52 / E53 / E83 / E85 / E86 / E65 / E66 / E67 / E60 / E61 / E63 / E64 | Wrench size 7 mm | 30 - 5 Nm | |
| 6AZ | Protective plate to wheel carrier | E85 / E86 / E83 | M6 | 9 Nm | |
| E85 / E86 / E83 | M8 | 15 Nm | |||
| E60 / E61 / E63 / E64 / E65 / E66 / E67 | M6 | 12 Nm | |||
REAR BRAKE - TIGHTENING TORQUES SPECIFICATION
34 31 Brake Master Cylinder
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ Brake master cylinder to brake booster (vacuum) | E65 / E66 / E60 / E61 / E63 / E64 | Replace self-locking nut. Retighten after 30 minutes. | 26 Nm | ||
| 3AZ | Expansion tank to brake master cylinder | E83 / E60 / E61 / E63 / E64 | 8 ±2 Nm | ||
BRAKE MASTER CYLINDER - TIGHTENING TORQUES SPECIFICATION
34 32 Brake Lines
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Brake hose couplings | E36 / E38 / E39 | M10 x 1 | 18 Nm | |
| E53 / E60 / E61 / E63 / E64 / E65 / E66 / E67 / E83 / E85 / E86 | M10 x 1 | 14 Nm | |||
| E60 / E61 / E63 / E64 / E85 / E86 | M10 x 1 | Blue union screw screw connection in steel e.g. brake hose | 16 Nm | ||
| E60 / E61 / E63 / E64 / E85 / E86 | M10 x 1 | Blue union screw screw connection in aluminium e.g. hydraulic control unit | 17 Nm | ||
| E60 / E61 / E63 / E64 / E85 / E86 | M12 x 1 | Blue union screw screw connection in steel e.g. brake hose | 16 Nm | ||
| E60 / E61 / E63 / E64 / E85 / E86 | M12 x 1 | Blue union screw screw connection in aluminium e.g. hydraulic control unit | 17 Nm | ||
| 4AZ | Brake hose to brake caliper, front | E53 / E60 / E61 / E63 / E64 / E65 / E66 / E67 | M10 x 1 | 24 ± 2 Nm | |
| 5AZ | Brake hose to brake caliper, rear | E53 | Banjo bolt M10x1 | 40 Nm | |
| E60 / E61 / E63 / E64 / E65 / E66 / E67 | M10 x 1 | 24 ± 2 Nm | |||
BRAKE LINES - TIGHTENING TORQUES SPECIFICATION
34 33 Brake Booster
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 10AZ | Hydraulic pipe to pressure reservoir on power flow regulator | E31 / E32 | 47 Nm | ||
| 11AZ | Hydraulic pipe to pressure reservoir | E31 / E32 | 40 Nm | ||
| 12AZ | Brake booster to pedal assembly console | E85 / E86 | 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 | |||
BRAKE BOOSTER - TIGHTENING TORQUES SPECIFICATION
34 41 Parking Brake
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Handbrake lever to body | E52 / E53 / E60 / E61 / E63 / E64 | 21 Nm | ||
| 2AZ | Housing cover to parking brake | E65 / E66 / E67 | 2 Nm | ||
| 3AZ | Actuating unit and control unit of parking brake | E65 / E66 / E67 | 4 Nm | ||
| 4AZ | Mounting pan to tunnel | E85 / E86 | M6 | 8 Nm | |
| 5AZ | Spring clip to wheel carrier | E60 / E61 / E63 / E64 | M6 | 8 Nm | |
| 6AZ | Support Duo-Servo to wheel carrier, rear | E60 / E61 / E63 / E64 | M10 | 60 Nm | |
PARKING BRAKE - TIGHTENING TORQUES SPECIFICATION
35 11 Pedal Assembly Console
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Bearing pedestal to brake assembly and body | E38 / E39 / E52 | 31 Nm | ||
| E36 / E46 | 25 Nm | ||||
| E53 / E65 / E66 / E67 / E60 / E61 / E63 / E64 / E83 | Retighten 1x on brake booster after 30 min. | 25 Nm | |||
| E85 / E86 | M8 | Retighten 1x on brake booster after 30 min | 22 Nm | ||
| 2AZ | Bracket to bearing block | E85 / E86 | M6 | 9 Nm | |
PEDAL ASSEMBLY CONSOLE - TIGHTENING TORQUES SPECIFICATION
34 51 Slip Control System (ABS, ASC+T, DSC)
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Control unit on hydraulic unit | E46 (MK20) | 2,6 Nm | ||
| E46 / E85 / E86 / (MK60) | 5+1 Nm | ||||
| E38 / E39 / E52 / E53 / E46 AWD / E65 / E66 / E67 | 2,9 Nm | ||||
| E60 / E61 / E63 / E64 / E83 | 3 ± 0.3 Nm | ||||
| 2AZ | Pressure sensor "V" and "H" to master brake cylinder | E46 / E85 | 25 + 5 Nm | ||
| Pressure sensor to hydraulic unit | E38 / E39 | 20 Nm | |||
| E52 / E53 / E46 AWD / E65 / E66 | Only with special tool 34 1 290 | 19 Nm | |||
| 3AZ | Rotation rate sensor / DSC sensor to holder | E46 / E65 / E66 / E67 / E60 / E61 / E63 / E64 / E83 / E85 / E86 | 8 Nm | ||
| 4AZ | Bracket, rotation rate sensor to body | E46 / E85 / E86 | 8 Nm | ||
| 5AZ | Banjo bolt for pre-boost pump intake line to pre-boost pump | E46 | 20 Nm | ||
| 6AZ | Pulse generator to swivel bearing/wheel carrier | E52 / E53 / E46 / E85 / E60 / E61 / E63 / E64 / E67 | 8 Nm | ||
| E39 / E38 / E65 / E66 | 9 Nm | ||||
| 7AZ | Rotation rate sensor to body | E38 / E39 | 8.6 Nm | ||
| 8AZ | Rotation rate sensor to body | E52 / E53 | 8 Nm | ||
| 9AZ | Bracket to hydraulic unit | E52 / E53 / E46 / E85 / E86 / E83 / E60 / E61 / E63 / E64 | 8 Nm | ||
| 10AZ | Bracket, hydraulic unit to body | E52 / E53 / E46 / E85 / E86 / E83 / E60 / E61 / E63 / E64 | 8 Nm | ||
| 11AZ | All screws to precharging pump and holder | E52 / E53 / E46 (M3) / E65 / E66 | M6 | 8 Nm | |
| 12AZ | Pressure sensor, front and rear for ACC, to brake line | E60 / E61 / E63 / E64 | 25 + 5 Nm | ||
SLIP CONTROL SYSTEM (ABS, ASC+T, DSC) - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Control unit on hydraulic unit | E46 (MK20) | 2,6 Nm | ||
| E46 / E85 / E86 / (MK60) | 5+1 Nm | ||||
| E38 / E39 / E52 / E53 / E46 AWD / E65 / E66 / E67 | 2,9 Nm | ||||
| E60 / E61 / E63 / E64 / E83 | 3±0,3 Nm | ||||
| 2AZ | Pressure sensor "V" and "H" to master brake cylinder | E46 / E85 | 25 + 5 Nm | ||
| Pressure sensor to hydraulic unit | E38 / E39 | 20 Nm | |||
| E52 / E53 / E46 AWD / E65 / E66 | Only with special tool 34 1 290 | 19 Nm | |||
| 3AZ | Rotation rate sensor / DSC sensor to holder | E46 / E65 / E66 / E67 / E60 / E61 / E63 / E64 / E83 / E85 / E86 | 8 Nm | ||
| 4AZ | Bracket, rotation rate sensor to body | E46 / E85 / E86 | 8 Nm | ||
| 5AZ | Banjo bolt for pre-boost pump intake line to pre-boost pump | E46 | 20 Nm | ||
| 6AZ | Pulse generator to swivel bearing/wheel carrier | E52 / E53 / E46 / E85 / E60 / E61 / E63 / E64 / E67 | 8 Nm | ||
| E39 / E38 / E65 / E66 | 9 Nm | ||||
| 7AZ | Rotation rate sensor to body | E38 / E39 | 8,6 Nm | ||
| 8AZ | Rotation rate sensor to body | E52 / E53 | 8 Nm | ||
| 9AZ | Bracket to hydraulic unit | E52 / E53 / E46 / E85 / E86 / E83 / E60 / E61 / E63 / E64 | 8 Nm | ||
| 10AZ | Bracket, hydraulic unit to body | E52 / E53 / E46 / E85 / E86 / E83 / E60 / E61 / E63 / E64 | 8 Nm | ||
| 11AZ | All screws to precharging pump and holder | E52 / E53 / E46 (M3) / E65 / E66 | M6 | 8 Nm | |
| 12AZ | Pressure sensor, front and rear for ACC, to brake line | E60 / E61 / E63 / E64 | 25 + 5 Nm | ||
SLIP CONTROL SYSTEM (ABS, ASC+T, DSC) - TIGHTENING TORQUES SPECIFICATION