Description
BMW F45 Brake Booster ABS Control Unit 6897148 6897147 is an original part from the ABS and ESP System group, designed for precise pressure control in the brake circuits and operation of the ABS system in BMW F45 models. This OEM solution ensures consistency with the vehicle’s factory electronic architecture and stable brake system performance.
Specifications and technical data
- SKU: 6897148
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6897148
- Substitutable numbers: 6897148, 34536897147, 6897147
- Category: ABS & Stability Hydraulic Units
Purpose and Function in the Vehicle
The presented brake booster with ABS control unit is responsible for generating and modulating pressure in the braking system and for monitoring the anti-lock braking system’s operation. The integrated control unit analyzes signals from wheel speed sensors and collaborates with other vehicle modules to maintain driving stability during braking.
Thanks to its factory design for BMW, the system maintains proper operating parameters, and the response to brake pedal application remains predictable and repeatable. This is particularly important during sudden braking, on surfaces with varying grip, and in emergency situations.
Benefits of Using an Original BMW Part
Using the original brake booster with ABS control unit in a BMW F45 allows for consistency with the vehicle’s factory configuration. This means:
- correct interaction with the vehicle’s safety systems,
- maintenance of the brake system’s factory performance characteristics,
- reduced risk of communication errors between electronic modules,
- easier diagnostics using dedicated BMW service tools.
A part from this group is particularly recommended for repairs after collisions, replacement of a damaged ABS module, or in cases of pressure issues in the brake circuits, where maintaining compliance with factory parameters is required.
Part Characteristics and Condition
The brake booster with ABS control unit is a used part, offered as a used part, which provides a cost-effective solution while maintaining original manufacturing quality. This type of component is intended for installation in place of the factory part, without the need for modifications to the hydraulic or electrical systems, provided the selection is made according to the manufacturer’s markings.
Before installation, standard service procedures are recommended, including checking brake line seals, bleeding the system, and verifying any error codes stored in the vehicle’s control units. A correctly selected and installed module allows for the restoration of full ABS functionality and stable brake operation.
Selection by Numbers and Vehicle Integration
To ensure proper compatibility with a specific BMW F45 version, it is crucial to match the part by OEM number and available replacement numbers. This facilitates the identification of the correct variant of the booster and control unit, consistent with the given engine configuration, equipment, and production year.
If you need assistance with selection, it is worth consulting the advice provided in the article how to select the correct car part by VIN and OEM number, which describes the process of verifying part compatibility with a specific vehicle step by step.
Application in Service and Brake System Repairs
Replacement of the brake booster with ABS control unit is recommended, among other things, in cases of ABS system error messages, uneven brake performance, or problems with maintaining pressure in the system. A correctly selected part allows for the restoration of system stability and reduces the risk of further damage to related components.
If you are planning a broader range of work on the vehicle, including servicing other key systems, the guide fuel system – injectors, pumps, and fuel tank: maintenance and repair, which discusses best service practices when working with pressurized systems and components requiring precise diagnostics, may also be helpful.





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