BMW 1 3 Series E87 E90 E91 ABS DSC Module Pump ECU Hydro Unit 6769779 6791521

BMW 1 3 Series E87 E90 E91 ABS DSC Module Pump ECU Hydro Unit is an original component from the ABS and ESP System group, designed for precise control of brake system pressure and vehicle stability. Thanks to the factory BMW design, the pump ensures consistent operation of the ABS and ESP system, which translates into predictable vehicle behavior in emergency situations.

Specifications and technical data

• SKU: 6794646
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6794646
• Substitutable numbers: 34516794646, 6794646, 34516791521, 6791521, 34526769779, 6769779, 34516770590, 6770590, 34516774071, 6774071, 34516771693, 6771693, 34512460450, 2460450
• Category: Additional ABS Parts

Purpose and function in the vehicle

The presented ABS brake pump is a component that controls the hydraulics in the brake system, working in conjunction with wheel speed sensors and the electronic stability control unit. It is responsible for rapid pressure modulation in the brake circuits, which enables effective prevention of wheel lock-up and supports the operation of traction control and stability systems.

Using an original BMW component within the ABS and ESP System allows for maintaining the operating parameters specified by the manufacturer, which is particularly important during intensive vehicle use, frequent city driving, and braking on surfaces with varying grip.

Benefits of using an original BMW ABS pump

The use of this brake pump in BMW E87 and E90 series models ensures:

• maintenance of factory ABS and ESP operating characteristics,
• consistent operation with the vehicle's existing hydraulic and electronic installation,
• proper pressure modulation in brake circuits during emergency braking,
• stable support for active safety systems in daily operation.

Thanks to the OEM design, the pump is ready for installation in place of the factory component, which reduces the need for system modifications and facilitates service work.

Condition, verification, and fitment

The item comes from a BMW vehicle and is offered as a used part, which allows for an economical repair of the brake system while maintaining the original specification. Before installation, it is recommended to perform a standard check of system tightness, electrical connections, and to bleed the brake system according to the service procedure for the specific model.

To correctly match this pump to a specific engine version and equipment level, it is worth comparing the OEM part number and available interchangeable numbers with the vehicle documentation or data from the manufacturer's catalog. This approach minimizes the risk of incompatibility and speeds up the repair process.

Integration with other brake system components

The ABS pump works with wheel speed sensors, brake lines, calipers, and the electronic stability control unit. A properly functioning hydraulic module has a direct impact on:

• braking efficiency in emergency conditions,
• operation of the traction control system during starting and acceleration,
• vehicle stability when avoiding obstacles and cornering.

Replacing a worn or damaged pump with a functional OEM component is crucial for maintaining predictable vehicle behavior and the correct operation of driver assistance systems.

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 control modules, wheel speed sensors, or pressure lines, check the available parts in the BMW ABS and ESP System category.

Operation and service of safety systems

When working with safety-critical components such as the ABS pump, it is essential to follow service procedures and regularly check the condition of brake fluid, lines, and electrical connections. For vehicles used all year round in varied weather conditions, it is also worth taking care of other key comfort and safety systems.

For a better understanding of the principles of selecting used OEM components and planning vehicle inspections, a guide on air conditioning and heating may be helpful – especially in the context of year-round vehicle operation. You can find more practical tips in the article Air conditioning and heating – part selection and maintenance for year-round comfort.

Summary

BMW 1 3 Series E87 E90 E91 ABS DSC Module Pump ECU Hydro Unit is an original component designed to operate within the ABS and ESP system, ensuring proper brake pressure modulation and support for vehicle stability systems. Choosing a factory BMW solution allows for maintaining the safety parameters specified by the manufacturer, while also representing a rational investment in the efficiency of your vehicle's brake system.