BMW 3 5 7 X5 E39 E46 E53 Fuel Injection System-Ressure Sensor 2246977

BMW E39 E46 X5 E53 Pressure Sensor 2246977 is an original fuel system component from the injector nozzles category, designed for use in popular BMW 3 Series, 5 Series, and X5 models. This product comes from disassembly, allowing for an economical yet technically sound repair of the injection system in BMW vehicles.

Specifications and technical data

• SKU: 2246977
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2246977
• Substitutable numbers: 13622246977, 2246977
• Category: Fuel Injectors

Purpose and Role in the BMW Injection System

The pressure sensor, working in conjunction with BMW injector nozzles, is responsible for precisely measuring fuel pressure in the fuel rail or supply area. This is crucial for correct fuel delivery by the engine control unit. In BMW E39, E46, and X5 E53 vehicles, a stable pressure reading influences:

• proper injector operation across the full engine load range,
• maintaining smooth engine operation at idle and during acceleration,
• reducing smoke and excessive fuel consumption in diesel and gasoline engines with precise injection.

A properly functioning pressure sensor is essential for diagnosing starting problems, power loss, or unstable engine operation, as it allows the control unit to react quickly to changing operating conditions.

Benefits of Using an Original BMW Sensor

Choosing a component from the BMW OE family ensures compatibility with the factory parameters of the injection system. In practice, this means:

• secure fitment to the fuel rail and wiring harness in E39, E46, and X5 E53 models,
• maintaining the factory pressure measurement characteristics, which facilitates computer diagnostics and adaptations,
• stable cooperation with injector nozzles across a wide range of temperatures and loads.

An original BMW fuel system pressure sensor helps reduce the risk of control unit errors related to incorrect sensor signals, leading to more predictable engine performance and less strain on other injection system components.

Condition, Verification, and Service Application

The offered sensor is a used component, sourced from a dismantled BMW vehicle. This type of part is often chosen as a service solution in situations where:

• a quick and budget-friendly repair of the injection system is necessary,
• the original part has suffered mechanical or electrical damage,
• diagnostics indicate incorrect fuel pressure readings while injectors and the pump are functioning correctly.

Due to its original origin, the sensor retains the geometry and mounting method consistent with the original BMW design, making it easy to install in place of a worn component without requiring modifications to the wiring.

Technical Support, Diagnostics, and Service Knowledge

When experiencing issues with the injection system, it is advisable to perform a full diagnostic check, covering both the pressure sensor and the injectors themselves. Detailed information on typical symptoms and the consequences of neglect can be found in the article: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails. This is a practical source of knowledge for those servicing BMW vehicles with diesel engines.

If you are considering the choice between new and used parts, the guide: Car Parts – New or Used? Comparing Costs, Quality, and Durability, which discusses the advantages and limitations of both solutions in economic and operational terms, may be helpful.

Other BMW Injector Nozzles

If you also need other components from the BMW injector nozzles category for your car, check the available assortment using the link: BMW injector nozzles. This will help you easily select compatible fuel system components for your specific model and engine version.