BMW E88 E90 E91 E92 Pressure Sensor 7551429

BMW E88 E90 E91 E92 MAP Air Pressure Sensor 7551429 is an original part from the air and fuel intake sensors group, designed for precise measurement of manifold pressure. A properly functioning MAP sensor supports stable engine operation, optimizes fuel delivery, and improves the driving experience of your BMW engine.

Specifications and technical data

• SKU: 7551429-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7585493
• Substitutable numbers: 13627551429, 7551429, 13627585493, 7585493
• Category: Air Intake & Fuel Sensors

The Role of the MAP Sensor in BMW Engines

The MAP air pressure sensor in BMW E88, E90, E91, and E92 series models is responsible for measuring the current intake manifold pressure, which the engine control unit (ECU) uses to determine the correct amount of fuel. A functional component from this group helps maintain:

• stable idle speed,
• proper throttle response,
• optimal fuel consumption under typical driving conditions,
• correct ignition system operation and reduced jerking.

Therefore, replacing a worn-out sensor with an original BMW component helps restore predictable vehicle behavior across the entire load range.

Construction and Compatibility with the Intake System

The presented MAP sensor is specifically designed to work with the intake system in selected BMW 1 and 3 Series E-generation models. The component's construction is adapted to factory mounting points, which facilitates installation and minimizes the risk of leaks in the intake manifold.

The original electrical connector ensures a secure connection with the vehicle's wiring harness, and the appropriately selected measurement characteristics allow the engine control unit to precisely calculate engine load. This ensures the sensor works with the factory ECU software without requiring additional modifications.

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

Choosing an original sensor from the Air and Fuel Intake Sensors category for your BMW helps avoid problems typical of aftermarket replacements with uncertain characteristics. The most significant advantages include:

• factory-matched performance parameters for BMW engines,
• stable measurement signal across a wide pressure range,
• proper cooperation with the injection and ignition systems,
• reduced risk of engine control unit errors.

A correctly chosen component like this helps maintain smooth engine operation, whether in city traffic or at higher highway speeds.

Used Condition and Practical Installation Aspects

The offered MAP sensor is a used part, allowing you to combine original BMW quality with a more favorable purchase price. For many users, this represents a sensible compromise between durability and budget, especially for older E-generation vehicles.

Due to its plug-and-play design, installing the sensor in place of the worn-out component is generally straightforward for an experienced mechanic. After installation, it is recommended to perform a computer diagnostic to verify the intake system's operating parameters and clear any fault codes stored in the ECU's memory.

Selection by Numbers and Additional Technical Materials

This air pressure sensor has a dedicated OEM part number and related interchangeable numbers, which facilitates unambiguous identification of the component in BMW catalogs and service programs. When selecting a part, it is advisable to compare the markings with the currently installed sensor or use professional diagnostics.

If you want to better understand the interaction between the MAP sensor and the fuel system, you may find the material describing the operation of the fuel system, injectors, and pumps useful – you can find it here: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. This will provide a broader context for the air pressure sensor's role within the entire fuel system.

Other BMW Air and Fuel Intake Sensors and Used Parts

If you are looking for other air and fuel intake sensors for your BMW, check out our dedicated offer: BMW Air and Fuel Intake Sensors. This will allow you to easily compare available solutions for different models and engine versions.

You can read more about the advantages of using original, used BMW components – including economic and ecological aspects – in the article: Used Parts for BMW – Are They Worth It? Key Benefits for Brand Enthusiasts. This is a practical addition to your knowledge when planning the future maintenance of your car.