BMW F87N M2 F80N M3 F82N M4 Pressure Sensor MAP Manifold Air Intake 8644433

BMW F87N M2 F80N M3 F82N M4 Pressure Sensor MAP Manifold Air Intake is an original component from the Air and fuel intake sensors group, designed for BMW M-series petrol engines. Precise measurement of manifold pressure ensures stable engine operation, correct fuel metering, and predictable throttle response. This solution is dedicated to users who expect proven, factory-spec measurement electronics.

Specifications and technical data

• SKU: 8644433
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8644433
• Substitutable numbers: 8644433, 13628644433, KD, 7843531
• Fuel type: Petrol
• Category: Air Intake & Fuel Sensors

Function and application of the MAP sensor

The MAP pressure sensor in BMW F87N M2 and F80N M3 models is responsible for measuring pressure in the intake system of the petrol engine. Based on this data, the engine control unit (ECU) determines the fuel dosage, ignition timing, and boost strategy, which translates into smooth acceleration and stable idle operation. A functional sensor from this group is particularly important in high-power units, where measurement accuracy has a direct impact on performance and engine safety.

Benefits of using an original BMW sensor

Using an original MAP pressure sensor in BMW sports models allows for maintaining the factory engine performance characteristics and compatibility with the ECU software. The component from this group is designed for specific airflow parameters and pressure ranges, meaning the control system does not require additional adaptations. This solution is particularly beneficial for cars driven dynamically, where performance repeatability and predictable engine behavior are essential.

Technical characteristics and integration with the intake system

The sensor belongs to the Air and fuel intake sensors category, which means it works closely with the intake manifold, turbocharging system, and engine control unit. The design is adapted to operate in environments with variable temperatures and pressures, typical for turbocharged petrol engines. The component is integrated with the vehicle's electrical system via a dedicated harness, which facilitates installation and reduces the risk of connection errors.

Product condition and selection by part numbers

The offered sensor is a used part, which allows for an economical replacement while maintaining the manufacturer's original specifications. Before purchasing, it is worth verifying compatibility using the part number and interchangeable numbers to ensure full compatibility with a specific version of the BMW F87N M2 or F80N M3. Thanks to this, the sensor can be installed as a direct replacement for the factory component without the need for system modifications.

Technical support and selection of used electronics

If you want to better understand how to safely select used sensors and control modules, how to check compatibility using OEM numbers, and how to interpret hardware and software markings, check out our guide: Used automotive electronics – ECU modules and second-hand sensors. It is a practical source of knowledge when planning the replacement of measurement components in modern engines.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as air temperature sensors, mass airflow sensors, or additional pressure sensors, check out the available parts in the BMW air and fuel intake sensors category.