Braking Pump ABS BMW F20 F21 F22 F30 LCI DSC Hydro Unit 6881172 6881173

BMW F20 F21 ABS Brake Pump ABS 6881172 6881173 is an original BMW braking system component, designed for precise ABS control in F20/F21 1 Series models. The used pump ensures factory compatibility with the vehicle's system, and by maintaining OEM specifications, it represents a safe service solution for discerning users. It's a practical choice for those who want to restore full braking system functionality without altering the car's construction.

Specifications and technical data

• SKU: 6881172
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6881174
• Substitutable numbers: 34516881174, 6881174, 34516881172, 34516881173, 6881172, 6881173, 34516875562, 6875562
• Category: Other Brake Parts

Purpose and Function in the BMW Braking System

The presented ABS pump is responsible for precise pressure regulation in the brake circuits during emergency braking and in situations of lost traction. It works in conjunction with wheel speed sensors and the vehicle's control unit, minimizing the risk of wheel lock-up and improving driving stability. By retaining the original BMW design, this component is tailored to the operating characteristics of the F20/F21 braking system, which translates to predictable vehicle behavior in critical situations.

Compliance with OEM and Interchangeable Numbers

The pump has been designed according to manufacturer requirements and assigned a specific OEM part number and related interchangeable numbers. This means it can replace several factory variants used within a given production range of the BMW 1 Series, simplifying the selection of the correct component for repairs. In practice, this allows for seamless integration with the existing hydraulic and electrical systems, without the need for modifications to wiring harnesses or brake lines.

Benefits of Using an Original BMW ABS Pump

Using an original ABS pump in the BMW F20/F21 offers a range of practical advantages:

• maintaining the factory operating characteristics of the ABS system and driving stability,
• secure fit for vehicle mounts, lines, and electrical connectors,
• reducing the risk of control unit errors due to parameter incompatibility,
• consistency with other braking system components and driver assistance systems.

For the user, this means more predictable vehicle behavior during emergency braking and a lower risk of operational issues after component replacement.

Condition, Installation, and Service Aspects

The item is offered in used condition, allowing for economical repair while maintaining original BMW specifications. The pump is designed for installation in place of the factory component, using existing mounting points and factory connectors. In practice, this means a typical service procedure: removal of the old unit, installation of the new one, bleeding the brake system, and adaptation/diagnostics using an appropriate tester. Professional installation allows for full utilization of the ABS system's potential and reduces the risk of leaks or system errors.

Part Selection by Numbers and Additional Materials

To ensure the pump's compatibility with a specific BMW F20/F21 version, it is advisable to verify the OEM number and interchangeable numbers against the vehicle's data or the manufacturer's catalog. A practical guide on verifying components by numbers, available in the article Risk-Free Online Parts Shopping – How to Check BMW Part Compatibility by OEM Numbers, which describes, among other things, best practices for selecting BMW parts, may be helpful.

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other parts from the same group, such as pumps, control modules, or sensors, check the available parts in the Other BMW category.

To compare the characteristics of advanced braking systems in sports cars, you can read the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses, among other things, the differences in brake and chassis construction in powerful RS versions compared to standard models.