BMW F30 330e Hybrid Electrical Brake Booster Servo Vacuum Pump Unit 6851289

The BMW F30 330e Electric Brake Booster is a specialized hybrid vacuum pump designed for the braking system in the 330e model. This component is responsible for consistently generating vacuum for the brake booster, which translates to reliable brake pedal operation and predictable vehicle response under all conditions.

Specifications and technical data

• SKU: 6851289
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6851289
• Substitutable numbers: 6851289, 34336851289
• Category: Power Steering Pumps

Application in BMW F30 330e Hybrid

The presented electric vacuum pump is dedicated to the braking system of the hybrid BMW 3 Series, F30 generation, specifically the 330e version. In a hybrid vehicle, the conventional vacuum source from the internal combustion engine is insufficient. Therefore, a separate electric brake booster is used, which provides adequate support even when driving in electric mode or during frequent starting and stopping of the combustion engine.

This component works in conjunction with the brake booster and the vehicle's electronics, maintaining the required vacuum level under various load conditions, which is particularly important for heavily used 330e models.

Construction and Technical Characteristics

The pump belongs to the Booster Pumps group and is an integrated electrical module where the mechanical part and the control system work as a single unit. This ensures that the braking system receives stable support regardless of engine speed or the current operating mode of the hybrid drivetrain.

Key features of this unit include:

• dedicated application for the braking system in the hybrid BMW F30 330e,
• electric vacuum generation for the brake booster,
• full integration with vehicle electronics and safety systems,
• OEM construction ensuring factory fitment to the engine bay installation.

This solution allows for consistent brake pedal characteristics, which is important for both daily driving and dynamic performance.

Benefits of Using an Original BMW Module

Choosing an original electric vacuum pump module for your BMW offers a range of practical advantages. Components from this group are designed for a specific model and drivetrain version, ensuring they fit the factory wiring harness and braking system without modifications. This minimizes the risk of installation errors and communication issues with vehicle systems.

The most significant benefits include:

• maintaining the factory operating characteristics of the braking system,
• compatibility with safety systems and vehicle control units,
• easier diagnostics at a service center due to compliance with manufacturer documentation,
• no need for adaptation of non-standard connectors or mounting points.

For the hybrid 330e, this is particularly crucial, as the braking system interacts with recuperation and energy management systems. An incorrectly selected component can lead to errors in the operation of the entire system.

Condition, Verification, and Preparation for Installation

The offered electric vacuum pump is from the group of used BMW parts, allowing for economical repair while maintaining original construction. Before being offered, the component is verified for its intended purpose and completeness for vehicle installation.

When selecting, it is recommended to compare your vehicle's configuration and part identification data with the service documentation or manufacturer's catalog. If in doubt, it is advisable to consult a workshop specializing in the BMW brand for installation to ensure proper integration with the braking system and vehicle electronics.

Technical Support and Additional Materials

To better understand the relationships between individual components in a car, including the role of pumps and control modules, a guide on power supply systems may be helpful. A detailed discussion of diagnostics, selection by OEM numbers, and regeneration principles can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Regeneration, which organizes knowledge about the operation of modern injection systems.

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other parts from the same group, such as vacuum pumps, electric booster modules, or additional reinforcing units, check the available parts in the BMW Booster Pumps category.