BMW 3 series E46

Since 1998 of release

Repair and car operation

The BMW of 3 series Е46
+ Cars BMW 3 (Е46)
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ Power supply systems, injection and release
+ Engine electric equipment
+ Manual transmission and transmission a line
+ Automatic transmission
+ Coupling and power shafts
- Brake system
   Removal and installation brake Pad forward wheels
   Removal and installation directing forward brakes
   Removal and installation of a brake disk of a forward wheel
   Removal and installation brake Pad disk brakes
   Removal and installation скобы brakes of back wheels
   Removal and installation of a brake disk of a back wheel
   Measurement of a thickness of a brake disk
   Brake liquid - the basic data and security measures
   Removal of air from brake system
   Replacement of the brake pipeline
   Replacement of a forward brake hose
   Check of the amplifier of a brake
   Removal and installation Pad a lay brake
   Adjustment of a lay brake
   Removal and installation of the lever of a lay brake
   Removal and installation of a cable of a drive of a lay brake
   Removal and installation of the switch of a stoplight
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electric equipment schemes

Replacement of a forward brake hose

Do not suppose contact of brake hoses to oil or gasoline, do not coat or means for protection of the bottom of the car.


1 Mark a paint position of forward wheels concerning a nave. It will allow to establish at assemblage balanced a wheel in its former position. Loosen the bolts of fastening of a wheel at the car standing on the earth. Lift a forward part of the car,
2 Press a pedal of a brake and hold it in such position. For this purpose it is possible to insert wooden брусок between a seat and a pedal. A seat for this purpose displace back and then again forward. Thus, leakage a brake liquid possibility is excluded from the tank after a detachment of hoses and hit in air system.

3 Disconnect the brake pipeline-1, having turned on накидную a nut-2 from a brake hose. Thus keep a brake hose-4 for planes or for hexahedron-3 to exclude проворачивание a connecting element in a square.

Thus a quantity of a brake liquid can flow out. Collect a liquid in a bottle intended only for this purpose.

4 Disconnect a brake hose from a support.


5 Fix a brake hose at a support.
6 Establish forward wheels directly.
7 Fix a brake hose in the holder and connect the brake pipeline накидной a nut. Thus keep a brake hose for planes or hexahedron to exclude rotation of a connecting element in a square. The moment of an inhaling 18 Nm.
8 Establish forward wheels so that the marks put at removal have coincided. Preliminary grease with a thin layer bearing greasing a landing belt of a disk of a wheel on a nave. Bolts of fastening of a wheel do not grease. Rusty bolts replace. Fix wheels bolts.
9 After installation at the unloaded wheel check up (the car is raised), whether the hose follows all movements of a wheel at its turn and whether it touches adjacent elements of a design.
10 Lower the car on wheels and tighten fastening bolts cross-wise the moment 100 Nm.
11 Turn a steering wheel to the right and to the left against the stop and check up on the car standing on wheels, whether the hose follows all movements of a wheel, without touching adjacent elements of a design.
12 Remove air from brake system.

— Whether brake hoses are fixed?
— Whether the brake hose in the holder is fixed?
— Whether unions for air removal are tightened?
— Whether enough of a brake liquid is filled in?
— On the working engine check up tightness. For this purpose press a brake pedal effort 200 – 300 Н (20 – 30 kg) during 10 with. The pedal should not weaken. Check up all joinings on tightness.

The brake liquid should not pour out or be thrown out with a household waste at all. Local authorities inform drivers on places of its possible recycling.