BMW E46 E53 E60 E70 E87 E90 Diesel Sprocket High Pressure Pump 7787279

BMW E46 E53 E60 E70 E87 E90 Diesel Sprocket High Pressure Pump is an original component from the Fuel pumps and level sensors group, designed for BMW diesel engines. This precisely manufactured sprocket is responsible for the correct transmission of the pump drive, which ensures stable power supply to the system in Diesel engines and the proper operation of the power unit.

Specifications and technical data

• SKU: 7787279
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7787279
• Substitutable numbers: 13527787279, 7787279
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The pump sprocket in BMW E60, E70, E87, and E90 models with diesel engines is responsible for the mechanical coupling of the pump with the engine drive. A properly selected sprocket ensures:

• stable torque transmission to the fuel pump,
• maintenance of the correct pressure in the Diesel supply system,
• consistent operation of the pump with other components of the injection system.

By using an original component from the Fuel pumps and level sensors group, you minimize the risk of pump malfunction, noise, or accelerated wear of mating parts.

Benefits of using an original BMW sprocket

The element comes from the BMW line, which means maintaining the factory tooth geometry and fitment to the pump and drive shaft. In practice, this translates into:

• reliable cooperation with the original fuel pump in Diesel engines,
• reduction of play and vibrations in the pump drive,
• reduced risk of damage resulting from improper meshing.

A used, original component often represents a reasonable compromise between cost and durability, especially in the case of specialized fuel pump drive elements.

Part selection by numbers and compatibility

The pump sprocket is a component dedicated to specific configurations of BMW diesel engines. When selecting, it is worth paying attention to:

• compatibility with the body generation (E60, E70, E87, E90),
• type of Diesel power unit,
• appropriate OEM part numbers and interchangeable numbers available in the specification.

Thanks to this, you can be sure that the sprocket will work correctly with the fuel pump and will not cause any assembly or operational problems.

Condition, verification, and service application

The item is offered as a used OEM component, which in practice means it comes from disassembly and can be an attractive alternative to new replacements. This type of part will work particularly well in:

• fuel system repairs in Diesel engines,
• restoring the factory configuration of the fuel pump drive,
• service centers that prioritize original solutions while optimizing costs.

During installation, it is recommended to check the condition of the mating pump drive elements and follow the manufacturer's service procedures to fully utilize the potential of the part.

More items from the same group and service tips

If you are planning a comprehensive repair or upgrade of the fuel supply area in your BMW and need other elements from the same group, such as additional drive gears, mounting elements, or mating pump components, check the available parts in the BMW Fuel pumps and level sensors category.

When working with used drivetrain and fuel system components, it is worth knowing the best practices for selecting electronics and accessories – you will find practical tips in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which helps to approach the topic of used components in modern cars consciously.

If you want to further optimize service costs while maintaining OEM quality, the guide Rising repair costs and the boom in used parts – how to save on car service? may also be helpful, describing how to reasonably choose used subassemblies and plan repairs.