BMW Z4 3 X1 F30 E84 E89 R55 R56 Pressure Sensor 6856290

BMW F30 E84 E89 R55 R56 Pressure Sensor 6856290 is a specialized fuel injection system component from the injector nozzles category, designed for select BMW models. The product allows for precise control of injection parameters, which translates to stable engine characteristics and proper cooperation with the vehicle's electronics.

Specifications and technical data

• SKU: 6856290
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6856290
• Substitutable numbers: 34336856290, 6856290, 5WK96893
• Category: Fuel Injectors

Purpose and Role in the BMW Fuel Injection System

The offered BMW pressure sensor for injector nozzles works with the engine control system, monitoring pressure in the injector supply area. Correct reading of this parameter is crucial for:

• stable fuel dosage across the full engine load range,
• maintaining smooth engine operation at idle and during acceleration,
• correct engine control unit response to changes in load and driving conditions.

The component is dedicated to specific BMW generations, F series and earlier, ensuring proper fit with the injection system architecture and the control logic used by the manufacturer.

Construction, Compatibility, and System Integration

The pressure sensor in the injector nozzles category is designed as a component that works with the factory BMW control unit. Appropriate electrical and mechanical characteristics enable:

• seamless integration with the vehicle's wiring harness,
• accurate representation of pressure signal across the entire operating range,
• retention of factory injection maps without the need for software modifications.

This makes the sensor the right choice for both standard replacement of a worn-out component and for restoring full functionality of the fuel injection system after diagnostics.

Condition, Service Application, and Benefits of Installation

The presented component is offered as a used BMW pressure sensor, which is a cost-effective solution for users seeking a technically sound component within a reasonable budget. In practice, installing such a sensor allows for:

• reducing the risk of control unit errors related to incorrect pressure readings,
• improving engine running smoothness in terms of fuel injection,
• more predictable vehicle behavior during load changes.

Due to the nature of the fuel injection system, sensor replacement is often one of the key steps in resolving issues with unstable engine operation, power loss, or error messages related to pressure in the supply line.

Diagnostics, Injectors, and Technical Support

When experiencing fuel system issues, it is worth paying attention not only to the sensor itself but also to the condition of the injectors and the correct operating parameters of the entire system. The article describing typical symptoms and consequences of irregularities in this area may be helpful – more information can be found in the article Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails, which discusses symptoms, consequences, and basic diagnostics of the fuel injection system.

BMW Injector Nozzles – Part Selection and Project Development

If you are assembling fuel system components for your car and need other BMW injector nozzles tailored to a specific model, use the dedicated subpage: BMW injector nozzles. There you will find a wide selection of components in this category, which will facilitate coherent part selection from a single manufacturer.

When planning vehicle upgrades or modernization using aftermarket parts, it is also advisable to familiarize yourself with practical tips for selecting components – the guide Buying Used Car Parts and Common Mistakes When Choosing Parts for Tuning may be helpful, offering advice on how to consciously select used components and minimize the risk of poor decisions.