BMW MINI One Cooper R55 R56 R57 Brake Differential Pressure Sensor 7566784

BMW MINI One Cooper R55 R56 R57 Brake Differential Pressure Sensor is an original engine control system component by Mini, belonging to the Other brake sensors and switches group. Precise intake manifold pressure readings are crucial for the proper operation of the powertrain, a stable air-fuel mixture, and correct interaction with safety systems. Using this OEM component allows you to maintain factory performance parameters without the need to invest in a new part.

Specifications and technical data

• SKU: 7566784
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2756696
• Substitutable numbers: 34332756696, 2756696, 7566784, 34332753125, 2753125
• Category: Additional Brake Sensors & Switches

Function and application of the MAP sensor in Mini R55 R56 R57

The MAP pressure sensor in Mini R55, R56, and R57 models is responsible for measuring intake manifold pressure, based on which the engine control unit (ECU) determines the fuel dosage, ignition timing, and auxiliary equipment operating strategy. A properly functioning component:

• stabilizes engine operation at idle and under load,
• improves smooth acceleration and throttle response,
• supports the maintenance of optimal fuel consumption and exhaust emissions,
• reduces the risk of ECU error codes and limp mode activation.

For the user, this means more predictable vehicle behavior, better powertrain refinement, and a lower risk of unplanned service visits.

Benefits of choosing an original Mini sensor

The original Mini MAP pressure sensor is designed specifically for the characteristics of the engines used in the R55, R56, and R57 series. As a result, it ensures:

• factory electrical and mechanical compatibility with the vehicle's wiring,
• correct interaction with the engine control unit software,
• accurate measurement characteristics across the full load range,
• stable operating parameters over a long service life.

Unlike universal aftermarket replacements, the OEM component minimizes the risk of fitment issues, incorrect readings, or the need for additional wiring modifications.

Condition, verification, and selection by part numbers

The offered sensor is a pre-owned component, which allows for reduced repair costs while maintaining original build quality. Before sale, the part is verified for connector integrity, housing condition, and operational stability under typical operating conditions. For accurate selection, it is recommended to compare the OEM part number and interchangeable numbers with your vehicle data or service documentation – this is the most effective method to avoid incompatibility.

If you would like to learn more about making informed choices regarding pre-owned electronics, how to select parts by VIN and manufacturer numbers, and the principles of safe installation, check out the Global Parts guide: Used automotive electronics – ECU modules and sensors from the secondary market.

Integration with the braking system and safety systems

Although the MAP sensor primarily operates within the engine control domain, its proper functioning is also significant for safety-related systems, such as electronic stability control or brake assist. Incorrect engine load values can affect the logic of these systems, which is why a functional sensor from the Other brake sensors and switches group is an essential element of the vehicle's cohesive electronic operation.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mini and need other components from the same group, such as additional sensors, switches, or elements working with the ABS/ESP system, check out the available parts in the Other brake sensors and switches Mini category.

Summary

BMW MINI One Cooper R55 R56 R57 Brake Differential Pressure Sensor is a sensible choice for drivers who want to restore the proper operation of the engine and related systems without compromising on OEM quality. A used, verified component allows for reduced service costs while maintaining factory measurement parameters and full integration with the vehicle's electronics. It is a practical solution for both typical repairs and diagnosing issues with dynamics, fuel consumption, or powertrain stability.