Description
The BMW F45/F46 LCI Left Side Exterior Mirror Wiring Harness is an original door installation component designed to operate the mirror functions in the facelifted version. Thanks to its precise fit for the 2 Series Active Tourer/Gran Tourer models, it ensures a stable electrical connection and proper cooperation with the body modules. A used OEM part is a sensible choice for post-accident repairs and service replacements where compatibility with the factory installation is crucial.
Specifications and technical data
- SKU: 7478767
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7478767
- Substitutable numbers: 67137478767, 7478767, 67137444919, 7444919, 67137391913, 7391913
- Location on the vehicle: Left
- Color: Black Sapphire Metallic – 475
- Category: Mirror Assemblies
Purpose and Function in BMW Installation
The presented wiring harness is dedicated to the left-side exterior mirror in BMW F45 and F46 LCI body styles. It is responsible for transmitting signals between the mirror’s electronics and the door and body installation, enabling the correct operation of all electrical and control functions intended by the manufacturer.
This component belongs to the Exterior Mirrors category, meaning it has been designed with specific requirements for resistance to vibrations, temperature changes, and humidity in the door and pillar area.
Construction, Color, and Fitment
The wiring harness has been prepared for installation in a mirror painted in Black Sapphire Metallic – 475, which facilitates the identification of the correct version when selecting parts for a specific vehicle. The connectors and wire routing used are compliant with BMW’s factory standard, allowing for installation without any modifications to the existing wiring.
Key functional features:
- original connector geometry matched to the driver’s mirror and door,
- wires routed according to the factory harness path,
- maintained compatibility with LCI version electronics.
Component Condition and Service Application
The offered wiring harness is from the group of used BMW parts, allowing for economical repairs while maintaining the original manufacturer’s specifications. This solution is particularly useful for:
- repairs after mirror damage resulting from a collision or scrape,
- problems with intermittent mirror operation caused by damaged wires,
- the need to restore factory wiring after incorrect modifications.
Using an original wiring harness helps reduce the risk of communication errors in the body installation and eliminates the need to adapt universal solutions.
Benefits of Using an Original Mirror Wiring Harness
Choosing this component offers a range of practical advantages for everyday vehicle operation:
- reliable electrical connections – connectors designed for the specific model minimize the risk of loose connections and interference,
- consistency with factory installation – no need for cutting, soldering, or adapting wires,
- easier diagnostics – maintaining the original wiring layout simplifies the work for service centers using BMW documentation.
As a result, this wiring harness is suitable for both professional workshops and discerning owners who independently maintain their car’s electrical system.
Related Products and Technical Knowledge
If you plan to replace other components related to visibility and safety during repairs, such as complete housings or mirror glass, it is worth considering selecting them as part of a single service operation to minimize door disassembly time. To select other parts from the exterior mirrors category for this manufacturer, check the available parts in the BMW Exterior Mirrors category.
For more advanced service work, including diagnostics of the installation and control modules, knowledge about selecting parts by OEM numbers and proper component operation can be helpful. Extended information on this topic can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses a practical approach to diagnosing and repairing components based on technical data.






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