Mini Cooper One D F55 F56 Diesel B37 Set Fuel Pump Injector Injection System

MINI D F55 F56 Diesel B37 Injection System with Pump is a set of fuel supply system components designed for MINI diesel engines from the B37 family. This is a solution for users looking for a cohesive, factory-original injection system for professional repair or replacement in the common rail system.

Specifications and technical data

• SKU: 8511630-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8511630
• Substitutable numbers: 13538511630, 0445110598, 13538511629, 0445213026 13518472282 8511626 0445010588 13538583460 13538515780, 8511630, 0 445 110 598, 8511629, 0 445 213 026, 8472282, 8511626, 0 445 010 588, 8583460 8515780, 13518597647 13518511627 13538511734 13538578629, 8597647
• Fuel type: Diesel
• Category: Fuel Injectors

Intended Use and System Characteristics

The offered injection system with pump for MINI D F55/F56 has been designed for B37 diesel engines, where precise fuel delivery is crucial for the engine's smooth operation. A complete injection system ensures component consistency, which facilitates diagnostics, installation, and subsequent operation.

The components are from a dismantled vehicle, making them an attractive cost-effective alternative to new parts, while maintaining the original design and fit for the factory MINI fuel system.

Benefits of Using a Complete Injection System

Using a single, cohesive injection system with a pump in a MINI B37 diesel engine offers a range of practical service and user benefits:

• Component Compatibility – injectors and the pump come from the same system, reducing the risk of problems arising from mixing different versions of components.
• Easier Diagnostics – during subsequent inspections, it is easier to assess the operating status of the entire common rail system when components are factory-matched.
• Stable Diesel Engine Performance – a correctly selected injection system promotes even engine operation, proper starting, and predictable response to load.
• Reduced Repair Costs – purchasing a complete system from a dismantled vehicle is often more financially advantageous than replacing individual injection components.

Role of the Injection System in the B37 Diesel Engine

In the MINI B37 diesel engine, the injector nozzles and the high-pressure pump are responsible for the precise preparation of the fuel-air mixture. Their condition determines:

• fuel atomization quality in the combustion chamber, which affects the vehicle's smoothness and dynamics,
• idle stability and reduction of engine vibrations and uneven running,
• diesel fuel combustion efficiency, and thus fuel consumption and emission levels,
• ease of cold starting, which is particularly important in diesel engines.

In cases of symptoms such as power loss, smoking, or jerking under load, replacing the complete injection system with a pump is often the most rational service solution.

Condition, Origin, and Practical Application

The presented Diesel injection system for MINI comes from a dismantled vehicle, meaning it is a used part that retains the original manufacturer's design. Such components are often chosen by workshops specializing in the MINI brand and by users who expect a factory fit at a reasonable repair cost.

Before installation, the standard workshop procedure is recommended: checking the fuel system for leaks, verifying injector operating parameters on a diagnostic bench, and adapting them in the engine control unit if required by the specific MINI model.

If you are also looking for other MINI injector nozzles for your car, check out our dedicated category: MINI injector nozzles. There you will find a wide selection of fuel injection system components tailored to different engine versions.

To better understand the symptoms of wear and the potential consequences of neglecting the injection system, it is worth reading the guide: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails. The article helps assess when replacing the injection system with a pump is justified and how to approach diagnostics in a diesel engine.