MAP Pressure Sensor BMW F20 F21 F30 F31 E90 LCI Petrol 7599042

The BMW F20 F21 F30 F31 E90 LCI Petrol MAP Sensor is an original intake system component from the air and fuel intake sensors category, designed for BMW petrol engines. Precise measurement of manifold pressure ensures stable engine operation, correct fuel delivery, and predictable throttle response. This is a practical solution for users who want to restore proper engine operating parameters without investing in a new part.

Specifications and technical data

• SKU: 7599042
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7599042
• Substitutable numbers: 13627599042, 7599042, 13628644432, 8644432
• Fuel type: Petrol
• Category: Air Intake & Fuel Sensors

Application and Function of the MAP Sensor in BMW Petrol Engines

The MAP sensor in a petrol engine is responsible for measuring the pressure in the intake manifold, based on which the engine control unit calculates the fuel injection amount and ignition timing. In BMW vehicles of the F20, F21, F30, F31, and E90 LCI series, this is a crucial element of the engine control system, influencing:

• stable idle speed,
• proper acceleration dynamics,
• maintenance of the optimal fuel-air mixture composition,
• reduction of excessive fuel consumption.

Thanks to a properly functioning MAP sensor, the control unit can respond repeatedly and predictably to load changes, which translates to a consistent engine operating characteristic across the entire RPM range.

Benefits of Installing an Original Sensor in the Air and Fuel Intake Sensors Category

Choosing a component from the air and fuel intake sensors category dedicated to BMW allows for the preservation of the engine's factory operating parameters. The original geometry and electrical characteristics of the sensor are matched to the control unit's maps, minimizing the risk of diagnostic errors and adaptation issues. This is particularly important in modern petrol engines, where even minor deviations in readings can cause:

• illumination of the engine warning light (MIL),
• uneven cold running,
• power loss in specific RPM ranges.

By using an original MAP sensor, the user gains consistency with the factory ECU software and predictable vehicle behavior under various operating conditions.

Characteristics of a Used Part and Installation Aspects

The offered sensor is a used part, allowing for an economical repair of the intake system while maintaining the original BMW specifications. Before installation, the standard service procedure is recommended, including checking the socket, seals, and wiring harness to ensure tightness and a stable signal connection. In most cases, installation is plug-and-play, and after installation, it is advisable to:

• clear stored fault codes in the control unit,
• check live parameters in diagnostics,
• perform a test drive to verify engine response.

This allows for a quick assessment of the replacement's effect and confirmation that the intake system is operating within the specified pressure range.

Selection by OEM Numbers and Electronics Compatibility

This MAP sensor has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification of the component relative to a specific engine version and vehicle year. When selecting, it is recommended to verify compatibility by OEM number or VIN to avoid hardware and software compatibility issues. Proper matching is particularly important for engine electronics, where different sensor versions may have different signal characteristics.

If you want to learn more about how to safely choose used modules and sensors, check out the Global Parts guide: used car electronics – second-hand ECU modules and sensors. You will find practical tips on selection by OEM numbers, compatibility, and installation.

Other BMW Air and Fuel Intake Sensors and Practical Knowledge

If you are also looking for other BMW air and fuel intake sensors for your car, check out our dedicated category: BMW air and fuel intake sensors. You will find a wide selection of components that work with the intake and fuel system, facilitating comprehensive vehicle servicing.

When planning a broader upgrade or repair using second-hand parts, it is also worth familiarizing yourself with practical tips regarding the aftermarket: buying used car parts and common tuning mistakes. This will allow you to make informed component choices and reduce the risk of misguided decisions.

Summary

The BMW F20 F21 F30 F31 E90 LCI Petrol MAP Sensor is a functional component of the petrol engine control system, allowing for the restoration of proper engine operating parameters while maintaining original BMW specifications. Proper selection by OEM number and correct installation make it a technically consistent, economical, and convenient solution for use in a workshop or during a DIY repair.