Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064

Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom is an original component from the Cables, looms and connectors group, designed for B48 petrol engines in BMW F20 and F30 LCI models. This used, factory-spec loom ensures a proper electrical connection between the injectors and the engine harness, which translates into stable fuel system operation and correct communication with the vehicle's electronics.

Specifications and technical data

• SKU: 8636064
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8636064
• Substitutable numbers: 12518636064, 8636064
• Fuel type: Petrol
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the engine system

The presented injector loom is designed to work with the B48 petrol engine in F20 and F30 LCI facelift body versions. It is responsible for transmitting control signals and power to the injectors, which is crucial for precise fuel dosing, correct air-fuel mixture, and stable engine operation across the full load range.

Thanks to its design dedicated to a specific engine generation and body type, the loom maintains the correct cable routing geometry, appropriate segment lengths, and matched connectors, which facilitates installation and reduces the risk of mechanical stress in the engine bay.

Construction and technical solutions

The component belongs to the Cables, looms and connectors group, meaning it consists of a set of electrical wires terminated with connectors matched to the injectors and the engine harness. The insulation and cable sheaths used are selected for operation in the engine bay, where high temperatures, vibrations, and contact with fuel and oil vapors occur.

Factory connectors ensure a secure electrical connection and proper sealing, which minimizes the risk of signal interference and unwanted power interruptions to the injectors. The design of the loom is optimized for cooperation with the engine control system in petrol-powered vehicles, which is important for correct diagnostics and OBD system operation.

Practical application and benefits of installation

Using an original injector loom in the B48 engine allows for restoring the proper operation of the fuel system in situations where the existing installation has suffered mechanical damage, overheating, or insulation degradation. Replacing it with a component from the same design family reduces the risk of compatibility issues, engine control unit errors, or unstable idle performance.

The main advantages of installation include:

• restoration of the factory cable routing path in the engine bay,
• secure connection with injectors and the vehicle's installation thanks to dedicated connectors,
• maintenance of electrical parameters specified by the engine manufacturer,
• support for the correct operation of the engine control system in petrol vehicles.

Characteristics as a used part

As a used component, the injector loom provides a solution that allows for reducing repair costs while maintaining the original design and fitment for a specific engine. This type of component is particularly interesting for users who want to maintain the consistency of the installation with the manufacturer's factory solutions, while simultaneously looking for a reasonable compromise between price and functionality.

If you want to learn more about the advantages of choosing original, used parts for this brand, it is worth checking out the article: Used parts for BMW – is it worth it? Key benefits for fans of the brand, which discusses the key aspects of selecting such components.

Expansion of the BMW injector installation system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional looms, signal cables, or injection system connectors, check out the available parts in the BMW cables, looms and connectors category.