ABS DSC Pump BMW F20 F21 F22 F30 Hydro Braking Unit 6862246 6862247

The BMW F20 F21 F22 F30 ABS DSC Brake Master Cylinder is a used, original anti-lock braking system module with stability control, designed for select BMW models with engine code N47D20C. This component comes from a low-mileage car, which helps maintain the functionality of its hydraulic and electronic components.

Specifications and technical data

• SKU: 6862247
• Mark: BMW
• Condition: Used
• OEM Part Number: 2460453
• Substitutable numbers: 34512460453, 2460453, 6862246, 6862247, 34516791724, 6791724, 34516862250, 6862250, 34516793944, 6793944, 34516793846, 6793846
• Category: ABS Pumps & Components

Purpose and application in BMW models

This ABS DSC pump is designed to fit the BMW F20, F21, F22, and F30 series, compatible with the N47D20C engine. The use of a dedicated module ensures proper communication with the vehicle's electronics, proper operation of the stability control system, and effective pressure control in the braking system.

The ABS DSC system in these generations of BMWs is responsible not only for preventing wheel lockup during braking but also for advanced traction and stability control functions. A properly selected ABS DSC brake master cylinder is crucial for maintaining predictable vehicle behavior in emergency situations, on slippery surfaces, and during dynamic driving.

Module structure and key functions

The module combines the hydraulic section and electronic control in a single housing, simplifying installation and reducing the number of connections in the system. The architecture used is consistent with BMW factory standards, allowing:

• hydraulics precisely control the pressure in the brake circuits of individual wheels,
• DSC electronics analyze signals from wheel speed sensors and other vehicle modules,
• the system can perform the functions of track stabilization, traction control and emergency braking assistance.

This connection ensures consistent operation of the entire active safety system, and the use of an original module from the same design family reduces the risk of communication errors in the vehicle network.

Condition, origin and benefits of choosing a used module

The ABS DSC brake pump is in used condition, coming from a vehicle with only 92 mileage units (according to source data). This low mileage means limited wear on moving parts in the hydraulic section and less thermal stress on the control electronics.

Choosing a used, original BMW module allows you to:

• maintain the factory operating characteristics of the ABS DSC system,
• reduce repair costs compared to a new item,
• avoid problems typical of substitutes with uncertain compatibility.

For workshops and individual users, this means more predictable installation and a reduced risk of having to readjust or replace a component.

Selection by numbers and interchangeability

The module has a factory OEM part number and a set of interchangeable part numbers, facilitating precise matching to a specific vehicle configuration. When selecting an ABS DSC brake pump for the BMW F20, F21, F22, and F30 series, it is always recommended to compare the part number with the part being removed and with the vehicle's technical documentation. This allows you to confirm compatibility in terms of both software version and hydraulic configuration.

The presence of multiple reference numbers increases the likelihood of the module being used in various equipment variants, but each time, verification by a mechanic or technical advisor is required. This approach minimizes the risk of errors in the ABS DSC system operation after installation.

The importance of a functioning ABS DSC pump for safety

A functioning ABS DSC module in a BMW with the N47D20C engine has a direct impact on driving safety. It is responsible for:

• maintaining vehicle control during sudden braking,
• limiting wheel slippage when starting and accelerating,
• cooperation with other safety systems, such as traction control or braking assistance functions.

Replacing a damaged pump with a working, original module allows you to restore the full functionality of the system and avoid unwanted error messages on the dashboard, as well as uneven brake operation.

If you are looking for other parts for the BMW ABS system in the same model group, check out our category: other parts for BMW ABS , where you will find compatible modules and components supporting diagnostics and repair.

Before installing a used ABS DSC module, it's worth reviewing practical tips on preparing your car for more challenging road conditions. The guide: Winter Essentials: Which Used Car Parts Should Be Checked and Replaced Before Freezing Weather? will be helpful. It includes checklists and information on how to verify the condition of key components, including braking system components.