BMW 3 Series E90 E92 E93 M3 LCI DSC Hydro Braking Unit Pump 7841232

BMW 3 Series E90 E92 E93 M3 LCI DSC Hydro Braking Unit Pump is an original BMW braking system component, responsible for precise control of the DSC system and brake circuit pressure. As an OEM part from BMW, it ensures a perfect fit for the M3 LCI version and compatibility with the vehicle's factory electronics. This used DSC hydro module is a solution that allows for a technically correct repair without interfering with the design of the braking system.

Specifications and technical data

• SKU: 7841232
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7841955
• Substitutable numbers: 34502460440, 2460440, 34507841955, 7841955, 34507841233, 7841233, 7841232, AS
• Category: Other Brake Parts

Purpose and function in the braking system

The hydraulic DSC pump in the 3 Series M3 LCI is responsible for generating and modulating pressure in the braking system, working in conjunction with wheel speed sensors, the DSC controller, and other components of the vehicle stability systems. This component:

• coordinates the operation of the DSC system in emergency situations and during dynamic driving,
• enables precise metering of braking force on individual wheels,
• supports the operation of active safety systems, such as traction control and electronic stability control.

By maintaining the factory hydraulic and electronic architecture, the use of this pump allows for maintaining braking characteristics in accordance with the manufacturer's specifications.

Original origin and compatibility

The presented DSC hydro module comes from the BMW production line, which means it complies with factory quality and safety standards. Original manufacturing translates into:

• proper fitment for mounts and brake lines in E90, E92, and E93 M3 LCI bodies,
• compatibility with the stock DSC controller and the vehicle's electrical installation,
• preservation of operating parameters intended for the M3 version, without the need for mechanical adaptation.

The component has a dedicated OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific car configuration in service catalogs and parts selection systems.

Characteristics of the used product

The DSC pump is offered as a used component, which allows for an economical repair of the braking system while maintaining the original BMW specification. This type of component is particularly useful in the case of:

• failure of the factory DSC hydro module (DSC errors, brake system pressure issues),
• post-accident repairs within the braking and vehicle stability system,
• restoring full functionality of safety systems in cars used on tracks and roads.

Using an original, used pump allows you to avoid compatibility issues that may occur with aftermarket replacements of uncertain origin.

Support with selection and integration with other components

Before purchasing, it is worth comparing the part markings on the vehicle with catalog data to confirm full compatibility of the DSC module with the specific M3 LCI version. If necessary, you can use the assistance of our technical department, which will support you in selecting the appropriate variant based on the model year, equipment version, and the braking system used.

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.

Technical knowledge and development of braking systems

To compare solutions used in different brands and sports segments, it is worth familiarizing yourself with an analysis of the construction of high-performance versions of competing models. In this context, an article discussing the differences in engines, brakes, and chassis between sports versions and standard ones will be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?. This allows for a better understanding of the role of advanced braking and stability systems in high-performance cars.