BMW 3 Series E46 ABS DSC Hydro Braking Unit Pump 6765452 6765454

BMW 3 Series E46 ABS DSC Hydro Braking Unit Pump is a specialized hydraulic ABS/DSC module designed for the rear section of the braking system in the 3 Series E46. It offers precise pressure control in the brake circuit, supporting vehicle stability and braking efficiency in various road conditions. Thanks to its design, which complies with factory BMW standards, it is a particularly beneficial solution for ABS and DSC system repairs.

Specifications and technical data

• SKU: 6765452
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2460467
• Substitutable numbers: 34512460467, 2460467, 34516765453, 6765453, 6765452, 6765454
• Location on the vehicle: Rear

Purpose and function in the braking system

The hydraulic ABS/DSC pump in the BMW 3 Series E46 model is responsible for the dynamic control of brake fluid pressure during the operation of anti-lock and electronic stability control systems. This component works in conjunction with wheel speed sensors and the electronic control unit to limit wheel slip and improve traction during sudden braking or emergency maneuvers.

Its placement in the rear of the vehicle allows for effective pressure management in the rear brake circuit, which translates into stable distribution of braking force between the axles. A properly functioning hydraulic module supports the safe operation of the ABS system and the consistent performance of the DSC system across the entire speed range.

Compatibility and identification parameters

The offered module is an original BMW component, designed for 3 Series E46 braking systems equipped with DSC. Thanks to factory part numbers and interchangeable numbers, precise verification of compatibility with a specific vehicle version is possible, which minimizes the risk of selecting the wrong part.

In practice, this means that when repairing the ABS/DSC system, the original factory configuration can be restored, maintaining the correct operating parameters of the hydraulic pump, operating pressure, and the performance characteristics of the stability control system.

Condition, installation, and service aspects

The item is offered as a used part, which allows for an economical repair of the braking system while maintaining the manufacturer's original specifications. Before installation, a standard service procedure is recommended: checking connections for leaks, verifying the condition of brake lines, and bleeding the system in accordance with the BMW procedure for ABS/DSC systems.

Placement at the rear of the vehicle requires access to the brake lines and the controller's electrical harness. In most cases, installation is carried out in a near plug-and-play configuration, while maintaining the correct order of connecting lines and connectors. A properly installed module restores stable operation of the ABS and DSC systems without the need for additional structural modifications.

Benefits of using an original ABS/DSC module

Using an original hydraulic module in the BMW 3 Series E46 ensures:

• preservation of the factory performance characteristics of the ABS and DSC systems,
• consistent operation with the vehicle's existing electronics,
• proper fitment for the rear brake circuit,
• possibility of diagnostics and adaptation using standard BMW service tools.

For users, this means predictable vehicle behavior during braking, and for the service center – easier diagnostics and configuration after replacing the component.

Braking system expansion and part selection

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other components from the same group, such as pumps, control modules, or additional stability system sub-assemblies, check the available parts in the Other BMW category.

To compare solutions used in high-performance braking systems and stability systems in other brands, it is worth reading the analysis of construction and differences in high-performance models – this is discussed in detail in the article Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of the relationships between engine power, brakes, and the chassis.

Summary

BMW 3 Series E46 ABS DSC Hydro Braking Unit Pump is a functional hydraulic module designed for the rear section of the braking system, which enables the restoration of proper ABS and DSC system operation in the vehicle. Choosing an original BMW component supports the maintenance of factory safety parameters, driving stability, and braking efficiency, which is crucial for professional repairs of braking systems in the 3 Series E46.