BMW X3 E46 E60 E87 E90 Intake Manifild Pressure Sensor 7787142

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X3 E46 E60 E87 E90 Intake Manifild Pressure Sensor is an original fuel system component designed for precise measurement of boost pressure in BMW engines. A properly functioning sensor supports stable engine operation, correct fuel dosage, and smooth acceleration characteristics. By using a factory-original solution from the BMW group, you ensure consistency with the factory engine control unit calibration and predictable vehicle behavior across the full load range.

Specifications and technical data

• SKU: 7787142
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 13617787142
• Substitutable numbers: 7787142, 13617787142
• Category: Fuel Injectors

Purpose and function in the boost system

The boost pressure sensor in BMW E46, E60, E87, and E90 models is responsible for real-time measurement of air pressure in the intake manifold. Based on its signal, the engine control unit adjusts the fuel dosage, injection timing, and turbocharger operation strategy, which translates into:

• stable power and torque across the entire rev range,
• smoother engine operation under load,
• reduction of smoke and performance drops during rapid acceleration,
• better integration with the fuel injection system and turbocharger.

In BMW vehicles with diesel and turbocharged gasoline engines, accurate pressure readings are crucial for maintaining the correct air-fuel mixture and protecting mechanical components from overload.

Benefits of using an original BMW sensor

Using a sensor from the BMW group to replace a worn or faulty component allows you to restore the factory operating parameters of the fuel system. In practice, this means:

• signal consistency with engine control unit maps – no need to adapt universal solutions,
• more predictable throttle response and smoother boost build-up,
• reduced risk of overboost or underboost, which can lead to limp mode,
• better cooperation with the fuel injection system, which is particularly important for precise diesel injectors.

Replacing the boost pressure sensor is often one of the first diagnostic steps when dealing with power issues, rough engine operation, or errors related to boost pressure.

Condition, origin, and service application

The offered component comes from the BMW group and is classified under the Injector Nozzles category, which highlights its close connection to the fuel system and precise control of engine operating parameters. The product is in used condition, making it an attractive service solution for users looking for a technically sound component on a reasonable budget.

The sensor is suitable both for standard replacement of a worn part and for broader service work involving the intake system, turbocharger, and injectors, where consistent diagnostics and the elimination of boost-related errors are essential.

Diagnostics and connection to the fuel injection system

Incorrect boost pressure sensor readings can manifest as power loss, jerking, increased fuel consumption, or the engine entering limp mode. In vehicles with diesel engines, this has a direct impact on injector operation, fuel dosage, and exhaust emissions. To better understand the relationship between sensor operation, boost pressure, and diesel injector condition, it is worth checking out our educational material: diesel injector faults – symptoms, effects, and diagnostics.

Service expansion within the BMW fuel system

If you are planning a comprehensive repair or upgrade of your BMW engine area and need other parts from the same group, such as injector nozzles, fuel dosage control elements, or additional fuel system components, check out the available parts in the BMW Injector Nozzles category.

Choosing a used, original boost pressure sensor is also a way to take a more conscious approach to vehicle maintenance – reducing waste and reusing functional components. If you want to learn how such decisions impact the environment and vehicle maintenance costs, see the article: how used parts from dismantling support the circular economy and lower repair costs.