BMW 1 3 4 Series F20 F21 F30 F31 F32 Brake Servo Unit Master Cylinder 6798419

Brake Booster BMW 1 3 4 Series F20 F21 F30 F31 F32 – Brake Servo with Master Cylinder is an original BMW braking system component designed for 1, 3, and 4 Series F-generation models. This solution ensures stable, predictable, and effective transfer of braking force, maintaining the factory pedal feel and a high level of overall system performance.

Specifications and technical data

• SKU: rhd-6798419
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6798419
• Substitutable numbers: 6851097, 34336851097, 34337851569 34336851094, 7851569, 6851094, 34336796531 34337852160, 6796531 7852160, 6798419
• Category: Brake Servos

Intended Use and Compatibility with BMW Models

The presented brake servo with master cylinder has been designed for seamless integration with the braking systems of BMW 1 Series F20/F21, 3 Series F30/F31, and 4 Series F32. Using an original BMW OE part ensures compliance with the vehicle's factory parameters, including ABS/DSC characteristics and driver assistance systems. This is particularly crucial for vehicles equipped with advanced electronics and sophisticated safety systems.

Construction and Role in the Braking System

The brake servo is responsible for amplifying the pressure applied to the brake pedal, allowing the driver to achieve effective braking with less effort. The integrated master brake cylinder distributes pressure across the brake circuits, ensuring stable operation of the calipers on both axles. The design, specifically tailored for the F20/F21/F30/F31/F32 platforms, guarantees:

• consistent, predictable brake pedal feel,
• proper compatibility with factory brake lines and calipers,
• maintenance of the correct brake force balance between axles.

Benefits of Using an Original BMW Servo

Choosing a component from the brake servos and force regulators category, sourced from dismantled BMWs, offers both technical and economic advantages. An original part ensures:

• factory fitment for mounts, lines, and hardware in the engine bay,
• preservation of the manufacturer's designed boost characteristics,
• no need for installation modifications or mount adaptations.

Furthermore, using a used OEM component helps reduce service costs while maintaining high quality and compliance with BMW technical documentation.

Condition, Verification, and Preparation for Installation

This part is from a dismantled vehicle and is offered as a tested, used original part. Such components are typically verified for leaks, proper booster mechanism operation, and absence of body damage. Before installation, the standard workshop procedure is recommended: inspection of the braking system, replacement of brake fluid, and thorough bleeding of the system to fully utilize the potential of the brake servo and master cylinder.

If you wish to maximize the trouble-free lifespan of such components, it is worth consulting the guide How to Extend the Lifespan of Used Car Parts?, which describes practical principles for operating and maintaining dismantled parts.

Why Choose Used BMW OE Parts?

Using original, used braking system components is not only cost-effective but also an environmentally conscious choice. Part recycling helps reduce waste and lower the carbon footprint associated with the production of new components. If you are interested in a broader context of this approach, check out the article Eco-Friendly Driving: Discover the Benefits of Used Car Parts, which discusses the advantages of reusing components.

In our assortment, you will also find other elements from the brake servos and force regulators category, making it easier to select complete solutions for your specific BMW configuration. This allows you to carry out brake system repairs or upgrades in a consistent, technically sound, and economically justified manner.