BMW 5 F10 F11 LCI Petrol B47 Engine Gearbox Wiring Loom Harness Cables 8574495

The BMW 5 F10/F11 LCI Gasoline Engine Transmission Wiring Harness is an original part from the Cables, Harnesses, and Connectors group, designed for facelifted models with a gasoline engine. It ensures a stable electrical connection between sensors, transmission control, and engine accessories, which translates to reliable powertrain operation and proper communication with the vehicle's electronics.

Specifications and technical data

• SKU: rhd-8574495
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8574495
• Substitutable numbers: 12518574495, 8574495, BG
• Fuel type: Petrol
• Category: Wiring Harnesses, Cables & Connectors

Application and Compatibility

The presented wiring harness is designed for the facelifted (LCI) BMW 5 Series F10/F11 with a gasoline engine. The design developed by the vehicle manufacturer allows for precise fitting to factory mounting points in the engine bay and at the transmission, which facilitates installation and reduces the risk of wire strain.

Thanks to its dedicated design for gasoline units, the harness ensures proper signal routing to sensors, solenoids, and transmission control elements, supporting stable powertrain operation and diagnostic systems.

Construction and Technical Function

The wiring harness belongs to the Cables, Harnesses, and Connectors category, meaning it is responsible for distributing power and control signals between key components in the engine and transmission area. The connectors used are factory-matched to the vehicle's sockets, which minimizes the risk of installation errors and ensures a secure electrical connection.

The layout of branches and mounting points has been designed to route wires away from high-temperature components or those exposed to intense vibrations. Proper harness routing limits the possibility of insulation abrasion, accidental short circuits, and signal interference, which is crucial for the correct operation of the engine and transmission control units.

Benefits of Using an Original Wiring Harness

Using an original wiring harness in the BMW 5 F10/F11 LCI with a gasoline engine allows for the preservation of the factory wiring logic and compliance with service documentation. This facilitates diagnostics, fault localization, and subsequent service work.

• Full compatibility with factory connectors and mounting points.
• Stable signal transmission to transmission control elements and engine accessories.
• Reduced risk of communication errors and random electrical faults.
• Easier integration with the vehicle's existing system without the need for modifications.

This part, in its current condition, can be reused in a vehicle where the factory wiring was damaged, for example, as a result of a collision, mechanical intervention, or previous unprofessional repairs.

Condition and Installation Recommendations

The wiring harness is a used part, sourced from disassembly, and offered as a used original BMW part. Before installation, a standard visual inspection of the insulation and connectors is recommended, as well as cleaning the electrical contacts with an appropriate cleaner to ensure the best possible contact and minimize voltage drops.

During installation, it is advisable to pay attention to the correct routing of wires in the factory brackets and clips, which protects the harness from excessive vibrations and contact with hot exhaust or cooling system components. A correctly installed harness supports stable powertrain operation and reduces the risk of errors in the control unit's memory.

Additional Information and Related Products

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional wire sections, sensor harnesses, or service connectors, check the available parts in the BMW Cables, Harnesses, and Connectors category.

For drivers interested in powertrain characteristics and selecting appropriate components for extensive drivetrain modifications, an article describing various AWD solutions may be useful – you can find more information in the material xDrive, 4Matic, quattro, or 4Motion – AWD Comparison, which discusses the construction, typical components, and servicing specifics of advanced drivetrain systems.