BMW MINI One D R50 Clamping Jaw Fuel Injector 7791110

BMW MINI One D R50 Clamping Jaw Fuel Injector is an original mounting component designed for precise pressing of the fuel injector into the engine cylinder head. Thanks to its factory geometry and perfect fit for the MINI R50 power unit, it ensures stable injector seating and reduces the risk of leaks in the fuel supply system.

Specifications and technical data

• SKU: 7791110
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7791110
• Substitutable numbers: 7791110, 13537791110, EM
• Category: Other Air & Fuel Delivery

Purpose and function in the fuel injection system

The presented clamp is a component dedicated to the diesel engine in the MINI One D R50 model. Its task is to maintain the injector in the correct operating position so that the injection nozzle is precisely aligned with the combustion chamber. A correctly selected and installed clamp helps maintain connection tightness and stable operating conditions for the injector.

In practice, this means:

• secure pressing of the injector into the cylinder head seat,
• reduction of the risk of exhaust gas blow-by at the injector base,
• maintaining the proper geometry of the fuel supply system over a long service life.

Original origin and fitment for MINI

The element comes from the Mini parts line, which means compliance with the vehicle manufacturer's factory standards. The original injector clamp is designed for the specific construction of the cylinder head and injector, thanks to which it ensures:

• precise fit to the mounting points in the MINI One D R50 engine,
• correct distribution of clamping forces on the injector body,
• compatibility with factory bolts and mounting hardware.

Such a solution facilitates the mechanic's work, shortens assembly time, and limits the risk of problems resulting from the use of inappropriate replacements.

Performance characteristics of the used part

The offered clamp is a used part, sourced from dismantling. This type of component, provided it maintains correct geometry and is free from mechanical damage, can be successfully reused in the service process. In the case of injector mounting elements, it is crucial that:

• contact surfaces are even and undeformed,
• mounting holes retain their proper shape,
• there are no cracks or excessive corrosion affecting the stiffness of the clamp.

Choosing a used, original clamp can be a reasonable cost-effective alternative to new parts, while maintaining the appropriate quality of assembly.

Assembly tips and service application

When replacing an injector in a MINI One D R50, it is worth verifying the condition of the mounting element each time. In the case of signs of deformation, wear, or previous improper repairs, replacing the clamp with a functional unit allows for reducing the risk of:

• leaks in the area of the injector seat,
• uneven engine operation resulting from improper injector seating,
• the need for re-dismantling the equipment shortly after repair.

It is recommended to use the appropriate tightening torques for the mounting bolts in accordance with MINI service documentation to ensure proper pressure without the risk of damaging the threads or the clamp itself.

Expanding the scope of repairs and additional information

If you are planning a comprehensive repair or upgrade of the engine area in your MINI and need other elements from the same group, such as additional brackets, supports, or small mounting parts, check the available parts in the Other Mini category.

When working on the fuel injection system and chassis, it is also worth expanding your knowledge about the structural differences between standard and sports versions – the article on our blog may be helpful: Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, issues related to engines, brakes, and accompanying components.