BMW F20 F21 F22 F30 ABS DSC Hydro Braking Unit Pump 6871110 6871109

BMW F20 F21 F22 F30 ABS DSC Hydro Braking Unit Pump is a component from the ABS and ESP System group, designed for use in BMW F-series vehicles. The integrated hydraulic block with a control module is responsible for precise pressure distribution in the braking system and the stable operation of active safety systems. Using an OEM component allows for the technical repair of the system without the need to invest in a new part.

Specifications and technical data

• SKU: 6871110
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6871110
• Substitutable numbers: 6871110, 34516871109, 6871109
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The brake pump integrated with the ABS controller plays a key role in vehicle stability control and traction control in BMW F-series vehicles, such as the F20 and F30. It is responsible for:

• generating and modulating pressure in the brake circuits during normal braking,
• precise pressure control in emergency situations when the ABS system is activated,
• cooperation with stability control systems from the ABS and ESP System group,
• communication with other vehicle modules via the electronic control unit.

As a result, the driver receives a predictable braking system response, and the vehicle maintains better stability in critical road conditions.

Construction and technical characteristics

The element combines the hydraulic block of the brake pump and the electronic ABS controller in one housing. This design reduces the number of connections, facilitates installation and service, and improves the reliability of the entire system. The module is factory-adapted to work with the electrical and hydraulic installation typical for BMW F20/F30 platforms.

The OEM solution ensures:

• proper arrangement of hydraulic ports relative to the brake lines,
• dedicated electrical connectors matched to the vehicle's wiring harness,
• operating parameters consistent with the factory configuration of ABS and ESP systems.

Benefits of using an OEM module

Choosing a used module from the ABS and ESP System group is a solution that allows you to combine technical aspects with reasonable repair costs. Using an original BMW component means:

• maintaining the factory performance characteristics of safety systems,
• no need to adapt universal solutions,
• easier diagnostics using standard BMW service tools.

The used element is particularly attractive in the event of an electronic failure of the controller part or hydraulic damage, where repairing the existing module is not cost-effective.

Installation and service aspects

The ABS brake pump with the controller is mounted in the engine compartment, connected to the existing brake line system and the vehicle's electrical installation. During replacement, it is recommended to:

• properly bleed the brake system after installation,
• check the tightness of all hydraulic connections,
• perform computer diagnostics to verify the controller's communication with other modules.

Professional installation and correct configuration ensure full utilization of the ABS and ESP system capabilities in the vehicle.

Expanding the BMW braking system

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other elements from the same group, such as pumps, control modules, or wheel speed sensors, check the available parts in the BMW ABS and ESP System category.

To better understand the specifics of how electronic modules and controllers used in modern vehicles work, it is worth reading the guide on used automotive electronics – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

If you are also interested in optimizing other key vehicle systems in terms of durability and operating costs, the guide on engine cooling may be helpful: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.