BMW E60 E81 E82 E87 E90 120i 520i Fuel Rail Injector Valves 7526892

BMW E60 E81 E82 E87 E90 120i 520i Fuel Rail with Injectors is an original fuel supply system component from the injector nozzles category, designed for selected BMW 1, 3, and 5 Series models with gasoline engines. The product is a used part, allowing for an economical yet technically sound repair of the injection system while maintaining the manufacturer's original concept.

Specifications and technical data

• SKU: 7526892
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7526892
• Substitutable numbers: 13537530420, 7530420, 7506158, 7526892
• Category: Fuel Injectors

Application and Compatibility

The BMW fuel rail with injectors is designed to work with the engine units used in models such as BMW E60, E81, E82, E87, and E90 in the 120i and 520i versions. This means that the construction, mounting spacing, and geometry of fuel and electrical connections are adapted to the factory solutions used by the manufacturer.

Selecting the correct fuel rail is crucial for:

• stable fuel delivery to each cylinder,
• maintaining correct engine operating parameters across the full load range,
• reducing fuel consumption and exhaust emissions to the level specified by BMW.

Construction and Technical Characteristics

This component belongs to the injector nozzles category, meaning it is responsible for precisely delivering fuel to the combustion chamber through the set of injectors mounted on the rail. The OEM design ensures:

• factory fit to the engine cylinder head and intake manifold,
• adequate rail rigidity, limiting fuel pressure fluctuations,
• correct injector positioning relative to the intake ports.

The original BMW solution preserves fuel atomization parameters and spray pattern characteristics in line with the manufacturer's specifications, which directly impacts the engine's running smoothness.

Benefits of Using Original BMW Injector Nozzles

Choosing an original BMW fuel rail with injectors offers a number of practical advantages compared to aftermarket alternatives of unknown origin:

• Compatibility with Engine Control Unit Software – the injectors' operating characteristics are consistent with the injection maps stored in the ECU.
• Reduced Risk of Starting Problems – correct fuel pressure and dosage facilitate engine starting both when cold and hot.
• Stable Idle Operation – uniform fuel delivery to all cylinders reduces vibrations and RPM fluctuations.
• Improved Throttle Response – proper fuel atomization promotes dynamic acceleration without jerking.

For users who wish to maintain their BMW in a condition close to its factory state, using original injection system components is particularly beneficial.

Condition, Installation, and Best Service Practices

The component is a used part, allowing for a cost-effective overhaul of the fuel supply system while retaining OEM parts. Before installation, it is recommended to:

• perform professional fuel system diagnostics to confirm the cause of the fault,
• check the tightness of fuel lines and injector seals,
• verify injector operating parameters on a diagnostic bench after installation.

A correctly installed fuel rail with injectors restores proper fuel delivery, leading to stable engine operation and reducing the risk of further damage to cooperating components such as the lambda sensor or catalytic converter.

Technical Support and Knowledge of Injection Systems

If you want to better understand how injection problems manifest and what the consequences of neglect can be, it is worth reading the article describing injector faults, their symptoms, and diagnostic methods: diesel injector faults – symptoms, consequences, and diagnostics. Although it concerns diesel engines, many principles regarding the diagnosis and care of the injection system remain similar.

Other BMW Injector Nozzles

If you are looking for other BMW injector nozzles for your model, check out our dedicated offer, where you will find a wide selection of this brand's injection system components: BMW injector nozzles.