BMW série 1 F20-F21 - Repair abs pump

What is an ABS block?

The ABS block, what is it?

It was Bosch that developed a first electronic ABS system in the late 1970s. The purpose of the ABS block in an automobile is to prevent the wheels from locking up during emergency braking.

The ABS system to keep control of the automobile

The ABS block is an accessory to the overall ABS system. There are for the BMW 1 series F20-F21 vehicle ...

• The wheel speed sensors: each sensor is placed in front of a rotating gear, which generates a magnetic field variation and induces a sinusoidal signal.
• The ABS block: how is it composed? This is what we will discover ...
• The magnetic targets: they are represented as a series of north and south poles. The alternation of the poles varies the output signal.

The ABS block

In an ABS block of the BMW 1 series F20-F21 automobile, we observe among other things:

The ECU

As soon as a wheel tends to lock, it guides the solenoid valves and the hydraulic pump.

The motor driving a hydraulic pump

This is a device that transforms a flow rate into rotational speed and a pressure into operating torque. The motor's rotational speed is proportional to the flow rate that feeds it.

The hydraulic unit

• A hydraulic pump that locks the brake pedal so that it does not depress.
• The electronic brake force distribution, which is an additional function managed by the ECU.
• Pressure accumulators, which are pressurized gas reservoirs that can hold a variable volume of a pressurized liquid.

BMW 1 series F20-F21 ABS block reconditioning

Main manifestations of ABS block HS

The origins are diverse and those that often appear are... The wheels lock up following heavy braking or an electrical problem.

What does Diag-Engine offer?

Diag-Engine is a company specializing in the repair of the ABS block of all makes. Let us specify that Diag-Engine does not offer any new ABS block.

What is the method of operation?

The method of operation is very easy: you select the make of your car, then the model and then the make of the ABS block whose inscription must appear on it. So you just have to go to the purchase and send us your problematic ABS block.

From the moment we receive your ABS block, just wait for a few days to receive it functional again.

Don't hesitate to contact us, a specialist will assist you.

The address you can send it to is written in the footer.

They trusted us

• I sent my ABS block to Diag-Engine and all the follow up and service were top notch, from the verbal exchange to the repair and from the delay until the delivery.
• The mechanic gave me an estimate of 1000 € to replace my ABS block. With Diag-Engine, it cost me 380 €. Great thanks!"
• When I received the ABS block for my BMW 1 series F20-F21 , I mounted the part myself. I was afraid to start, but ... oh joy! No more ringing!.

Put your order with your CB through our secure module.