BMW E81 E87 lCI E90 F10 R55 R56 Brake Servo Pressure Sensor 6875605

The BMW E81 E87 LCI E90 Mini R55 R56 Servo Pressure Sensor is an original part from the Other Brake Sensors and Switches group, designed for precise vacuum control in the brake booster system. Thanks to BMW's factory design, the sensor ensures stable integration with the vehicle's electronics and predictable brake system response.

Specifications and technical data

• SKU: 6875605
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786746
• Substitutable numbers: 34336786746, 6786746, 34336875605, 6875605, 34336856290, 6856290
• Category: Additional Brake Sensors & Switches

Purpose and Function in the Braking System

The servo pressure sensor is responsible for monitoring the operating parameters of the brake booster and transmitting signals to the vehicle's control units. A properly functioning component of this type:

• stabilizes the operation of the brake servo under typical road conditions,
• supports even distribution of braking force,
• enables control units to quickly detect vacuum irregularities.

In BMW and Mini vehicles, the use of a dedicated sensor is particularly important due to integrated safety systems and extensive onboard diagnostics.

Compatibility and OEM Identification

The presented sensor is designed to work with selected BMW E81, E87 LCI, E90 series models and Mini R55 and R56. Proper selection based on the OEM Part Number and available interchangeable numbers allows verification of compatibility with the specific engine version and model year of the vehicle.

Before purchasing, it is advisable to compare the markings on the removed part or use a parts catalog to ensure the sensor will work correctly with the existing electrical system and braking system.

Product Characteristics and Application Benefits

The servo pressure sensor from this offer comes from the BMW line, which means maintaining the factory signal characteristics and proper fit for the vehicle's wiring harness and mounting points. This allows you to:

• reduce the risk of errors in control units related to incorrect pressure readings,
• maintain the consistency of braking system operating parameters with the manufacturer's specifications,
• preserve compatibility with OBD diagnostics and service procedures.

A component from the Other Brake Sensors and Switches category is a good choice when replacing a damaged sensor, especially when error messages related to the brake booster system appear or the servo operates unstably.

Condition, Origin, and Practical Application

The offered sensor is a used part, which in the case of BMW and Mini brake electronics often represents a reasonable compromise between cost and functionality. Original components of this type retain their proper operating characteristics while allowing for cost savings in brake system repairs.

If you want to better understand when choosing a used sensor makes sense, how to select it by manufacturer markings, and what to look for during installation, check out the Global Parts guide: used car electronics – second-hand ECUs and sensors.

Assistance with Selection and Additional Information

If you have doubts about selecting the correct servo pressure sensor for your specific BMW or Mini, it is advisable to have your vehicle's data and the markings from the currently installed part ready – this will facilitate unambiguous compatibility verification. For drivers who want to learn more about the quality and durability of second-hand parts, we also recommend the article: used car parts – myths and facts, which discusses the practical aspects of using used components.

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 additional sensors, switches, or control elements, check the available parts in the BMW Other Brake Sensors and Switches category.