BMW 3 series E30

Since 1983-1994 of release

Repair and car operation



BMW E30
+ 1. The maintenance instruction
+ 2. Maintenance service
+ 3. The engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. An exhaust system
+ 8. Transmissions
+ 9. Coupling
- 10. Brake system
   10.2. Specifications
   10.3. Antiblocking system (ABS)
   10.4. Колодки disk brakes
   10.5. A support of a disk brake
   10.6. A brake disk
   10.7. Колодки drum-type brakes
   10.8. The main cylinder of brakes
   10.9. The vacuum amplifier of brakes
   10.10. A cable () a manual brake
   10.11. Adjustment of a manual brake
   10.12. The mechanism of a manual brake
   10.13. A brake pedal
   10.14. The switch of a signal of braking
   10.15. Hoses and lines of a hydrodrive of brakes
   10.16. Removal of air from a hydrodrive of brakes
+ 11. A running gear
+ 12. A body
+ 13. An electric equipment
+ 14. A good advice





10.2. Specifications
THE GENERAL DATA

Type of a brake liquid
Disk brakes:
The minimum thickness brake колодок
Is minimum admissible thickness of a brake disk (deterioration limit):
  – Lobbies
     • continuous disks
10,7 mm
     • ventilated disks
20,0 mm
  – The back
8,0 mm
The minimum thickness of a brake disk after grinding:
  – Lobbies
     • continuous disks
11,1 mm
     • ventilated disks
20,4 mm
  – The back
8,4 mm
Parallelism (difference of two measurements)
0,02 mm
The maximum palpation of a disk
0,2 mm
* The limiting thickness also is specified on the disk
The adjusting given pedals of a brake:
  – Adjustment of a pedal / of a rod of the vacuum amplifier (size)
125 mm
  – Height of a pedal of a brake (distance from a pedal to a partition of a motor compartment):
     • а/м with the left wheel
235 mm
     • а/м with the right wheel
273 mm
  – Adjustment of the switch of a signal braking (size)
5,0 – 6,0 mm
Manual brake:
  – The minimum thickness Pads a manual brake
1,5 mm
  – A course of the lever of a manual brake
5 – 8 clicks

The inhaling moments (Н.м.)

Support of a forward disk brake:
  – Directing bolts of a support
30 – 35
  – Bolts of fastening of an arm of the case of a support to a suspension bracket rack
123
Support of a back disk brake:
  – Directing bolts of a support
30 – 35
  – Bolts of fastening of levers of a back suspension bracket on a support
67
Fastening of a brake hose to a support
14 – 17
Nuts of fastening of the main cylinder to the vacuum amplifier
22 – 24
Bolts of fastening of wheels

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