Brake system of the car BMW 5 Series E39

Brake system — general information
The braking system consists of a master cylinder, a brake booster and disc brakes on the front and rear wheels. The hydraulic brake system has 2 circuits: one...

Anti-lock braking system (ABS)
The anti-lock braking system consists of an electro-hydraulic control module with an integrated electronic control unit, an ABS signaling device and...

Automatic Stability and Traction Control (ASC+T)
ASC + T system (Automatische-Stabilitats-Control plus Traktion) prevents the rear wheels from spinning when the accelerator pedal is depressed, for example...

Front disc brake caliper
1 - support 2 - brake shield 3 - hex head bolt, 110 Nm 4 - dust cap 5 - valve for air removal 6 - guide pin 7 - plug 8 - holding spring 9 - pad wear sensor 10...

Removal and installation of overlays of a forward disk brake
Withdrawal Mark the position of the front wheels in relation to the hubs with paint. This will allow the balanced wheel to return to its original position....

Removal and installation of the front brake disc / brake caliper
Attention: If the brake caliper needs to be removed only to dismantle the brake disc, then the brake hose must not be loosened, otherwise air will have to be...

Removal and installation of overlays of a back disk brake
Withdrawal Mark the position of the rear wheels in relation to the hubs with paint. Thanks to the atom, a balanced wheel can be set to its original position....

Removal and installation of the rear brake caliper
Attention: If the brake caliper needs to be removed only to dismantle the brake disc, then the brake hose must not be loosened, otherwise air will have to be...

Removal and installation of a back brake disk
Withdrawal Remove rear brake caliper. Do not unscrew the brake hose, otherwise the ambassador of the assembly from the brake system air will need to be...

Checking the thickness of the brake discs
Examination Mark the position of the wheels in relation to the hubs with paint. This will allow the balanced wheel to return to its original position. When...

Brake fluid
Pay attention to the following when handling brake fluid: Brake fluid is poisonous. Never suck out brake fluid by mouth through a hose. Pour brake fluid only...

Removal of air from the brake system
After each repair of the brakes, in which the hydraulic system was opened, air could enter it. This air must be removed from the brake system. If there is air...

Brake pipe replacement
As pipelines of the brake system, rigid pipes with a polymer coating are used. High-pressure flexible hoses are used to connect to the front and rear axle...

Replacing the front brake hose
Caution: Brake hoses must not come into contact with oil or fuel. It is not allowed to cover the brake hoses with paint or anti-corrosion coating for the...

Checking the brake booster
The brake booster must be checked when an unusually high force must be applied to the brake pedal to achieve sufficient braking action. With the engine off,...

Parking brake system
1 - hand brake lever 2 - casing 3 - locknut 4 - adjusting nut hex head bolt 5 - hex bolt 6 - parking brake switch (hand brake) 7 - cable pull of the hand brake...

Removal and installation of brake columns of parking brake system
Withdrawal Remove the rear brake disc. Remove the upper return spring with the return spring pliers. A spring with traces of corrosion or an inverted one...

Handbrake adjustment
The parking brake is completely separate from the service brake system. As a result, the parking brake is subject to only minor wear. Due to corrosion of the...

Removal and installation of the hand brake lever
Withdrawal Remove center console . Completely unscrew 2 lock nuts and 2 adjusting nuts -arrows- for handbrake cables. Disconnect the electrical wire -1- of the...

Removal and installation of a cable of a manual brake
Withdrawal Remove the hand brake lever. Remove the hand brake pads. Squeeze out pin -1- and remove handbrake release buckle. Unscrew bolts -2- for support of...

Checking/replacing the brake light switch
The brake light switch is located in the footwell on the driver's side by the brake pedal. Examination If the brake light does not come on, check the fuse...