DSC Brake Pump BMW E90 E91 E92 ABS Hydro Braking Unit 6778238 6776069

DSC Brake Pump BMW E90 E91 E92 ABS Hydro Braking Unit is an original component from the ABS and ESP System category, designed for BMW 3 Series E9x generation models. This used DSC/ABS pump is a solution that allows for the restoration of proper operation of the electronic stability control and hydraulic brake assist systems while maintaining factory performance characteristics.

Specifications and technical data

• SKU: 6776069-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6776069
• Substitutable numbers: 34526776069, 6776069, 34516778238, 6778238
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The presented ABS/DSC hydro-electronic unit is a key component responsible for precise control of pressure in the brake circuits and cooperation with traction and stability control systems. In a typical BMW E90, E91, and E92 configuration, this module:

• manages brake force distribution between the wheels,
• works in conjunction with wheel speed sensors and the DSC controller,
• stabilizes the vehicle in emergency situations by limiting wheel slip and lateral skidding,
• ensures rapid pressure build-up and reduction in the braking system.

By maintaining the original BMW architecture, such a pump allows for consistent operation of all active safety systems.

Benefits of using an original BMW module

Choosing an original BMW component from the ABS and ESP System category primarily ensures a perfect fit for the specific E9x platform. This means:

• factory mounting points and correct hydraulic connections,
• compatibility with the vehicle's control software,
• proper integration with the existing electrical installation,
• preservation of the braking system's operating parameters as intended by the manufacturer.

A used OEM component is often more predictable than unreliable aftermarket replacements because it was designed specifically for this particular generation of the BMW 3 Series.

Product characteristics and installation

The offered DSC/ABS pump is a complete hydro-electronic unit removed from a BMW vehicle. The item comes from the original BMW production line, which translates into structural compatibility with the factory braking system. As a used part, the component is intended for installation by a workshop with experience in working with ABS and ESP systems and access to appropriate diagnostic tools.

After installation, it is recommended to perform brake system bleeding procedures and adaptation/diagnostics using a compatible tester to ensure the DSC and ABS system operates within the full range of functions intended for the given model.

Why choose a used OEM component

In the case of advanced safety systems such as ABS and DSC, using a used OEM component often represents a reasonable compromise between cost and quality. You receive:

• a component designed specifically for a given BMW model,
• preservation of the original logic of stability systems,
• the possibility of an economical repair without sacrificing factory engineering solutions.

If you are interested in the broader context of using used OEM components in drivetrain and safety repairs, it is worth reading the article: Humming differential? Why a used OEM drive axle is a better investment than an unreliable replacement.

Additionally, when planning repairs using dismantled parts, the following guide may be helpful: Parts unavailable at the dealership? How to effectively use dismantled components when servicing older models.

Expanding your BMW brake system repair

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