BMW F46 G20 G21 G30 G31 Mini Cooper F55 F56 F57 Petrol Injector Fuel Set 8656548

BMW F46 G20 G21 G30 Mini Cooper F55 F56 Injector Injectors Set 8656548 is a set of gasoline injector nozzles designed for select BMW F and G series models and Mini Cooper F55/F56. The set is a functional service solution for gasoline fuel systems, ensuring precise fuel metering and stable engine operation.

Specifications and technical data

• SKU: 8656548-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8656548
• Substitutable numbers: 13538656548, 8656548, KZ
• Fuel type: Petrol
• Category: Fuel Injectors

Intended Use and Characteristics of the Set

The presented injector nozzle set has been developed for gasoline engines in the BMW F46, G20, G21, G30 platforms, as well as Mini Cooper F55 and F56. The injector design is adapted to the requirements of modern powertrains, where precise fuel spray formation and dose repeatability across the full load range are crucial.

As a component from the Injector Nozzles category, the set is responsible for proper gasoline atomization in the combustion chamber, which translates to engine running smoothness, throttle response, and exhaust emission levels. The use of original BMW solutions helps maintain the powertrain's factory performance parameters.

Construction and Role in the Fuel System

The gasoline injectors in this set operate within a fuel supply system where maintaining adequate pressure and the correct shape of the atomized dose are important. A precise nozzle enables uniform fuel distribution, supporting stable mixture combustion and reducing the risk of knocking.

In practice, properly functioning injectors contribute to:

• maintaining smooth engine operation at idle and under load,
• proper acceleration dynamics without jerking or fuel supply interruptions,
• optimal gasoline consumption due to accurate metering,
• stable exhaust emission parameters, in line with the unit's design specifications.

Condition, Selection, and Service Application

The injector set is offered as a used BMW part, allowing for economical repair of the fuel system while maintaining the original component design. This solution is particularly useful when experiencing symptoms such as uneven engine operation, power loss, or increased fuel consumption resulting from worn existing injectors.

The selection of the set is facilitated by the presence of the OEM part number and interchangeable numbers, allowing for precise verification of compatibility with a specific engine and vehicle year. Professional installation is recommended, adhering to fuel system bleeding and leak testing procedures.

Benefits of Using Original Injector Nozzles

Choosing this set offers primarily:

• maintaining factory engine performance parameters due to a design compliant with BMW and Mini requirements,
• compatibility with control electronics – the injectors work with the factory engine control unit,
• the ability to restore proper combustion characteristics in gasoline engines,
• a service solution tailored to specific models: BMW F46, G20, G21, G30, and Mini Cooper F55/F56.

For users looking for other items in this product group, the BMW injector nozzles category has been prepared – the full offer can be found at the link: BMW injector nozzles.

Diagnostics and Technical Knowledge

When working with the fuel system, it is advisable to rely on reliable diagnostics – measuring injector operating parameters, analyzing injector trims, and assessing the engine's mechanical condition. Technical materials regarding symptoms of fuel system component wear can be helpful. More information on typical injector problems and their consequences can be found in the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails, which discusses general phenomena related to faulty injection, also useful when analyzing the operation of gasoline systems.

If you want to understand the operation of the entire fuel system more broadly, including injectors, pumps, and the fuel tank, as well as the principles of part selection by OEM numbers, the guide will be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.