Fuel Injector Clamps BMW E81 E90 F10 F20 F30 Clamping Jaw Set of 6 Diesel

BMW E90 F10 F20 F30 N47 Injector Clamp Mount Set 6 is a set of mounting elements designed for the fuel system of BMW diesel engines from the N47 family. The set ensures stable, repeatable injector seating, which promotes even engine operation and proper system sealing.

Specifications and technical data

• SKU: 7809798-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7809798
• Substitutable numbers: 13537809798, 7809798, 13534726100, 4726100, 13534725744, 4725744, 13537798450, 7798450
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Function in the Injection System

The presented mounting set belongs to the category of injector nozzles and is dedicated to BMW N47 series diesel engines used in models such as E90, F10, F20, and F30. The clamping jaws are responsible for precisely pressing the injector into its seat in the cylinder head, which reduces the risk of exhaust blow-by, leaks, and improper fuel atomization.

Stable injector mounting is crucial for:

• maintaining correct injection pressure across the entire engine load range,
• even operation of the diesel unit at idle and under load,
• reducing injector vibrations and micro-movements, which can accelerate wear of seats and seals.

Set Characteristics and Benefits of Use

The set includes a complete set of six mounting elements, allowing for the servicing of the entire injector row in a typical BMW diesel engine configuration. This solution is particularly useful for comprehensive fuel system servicing, where it is recommended to replace all mountings simultaneously to maintain consistent operating conditions for each cylinder.

Key advantages of this set include:

• dedicated fit for N47 engines – geometry and mounting method consistent with factory BMW solutions,
• maintaining the correct injector position relative to the combustion chamber, which promotes a proper fuel spray pattern,
• possibility of replacing worn mounting elements without interfering with the injector itself, which simplifies servicing.

Condition of Elements and Service Application

The set comes from the group of used BMW parts, allowing for economical repair of the injection system while maintaining the original mounting geometry. Such elements are often used during:

• removal and reinstallation of injectors during diagnostics or overhaul,
• addressing leaks around injector seats when original mountings show signs of wear,
• preventive maintenance of the diesel fuel system when aiming to restore factory operating conditions.

Properly selected mountings reduce the risk of repeated disassemblies and allow for more predictable engine behavior after service.

Significance for Diesel Injector Durability

In diesel engines, the precision of injector seating is as important as its hydraulic parameters. The use of appropriate clamping jaws and mountings:

• reduces mechanical stress on the injector body resulting from vibrations and temperature changes,
• limits the risk of the injector seizing in its seat, which facilitates subsequent service work,
• supports the maintenance of stable combustion parameters, which translates to smoother operation and lower emissions.

If you want to better understand how the condition of the mounting affects the operation of the entire system, it is worth reading the article describing diesel injector faults – symptoms, consequences, and diagnostic methods, which thoroughly discusses the consequences of neglect in this area.

Other BMW Injector Nozzles and Fuel System Development

If you are also looking for other BMW injector nozzles tailored to a specific model or engine variant, check out our offer in the BMW injector nozzles category. This will allow you to easily match the appropriate mountings with the correct injectors, making it easier to plan comprehensive fuel system servicing for your car.