BMW F06 F12 F13 LCI Turn Signal LED Module Left N/S 7394905

The BMW F06 F12 F13 LCI Left Turn Signal LED Module is an original part from the Electronic Control Modules and Drivers group, designed for precise control of the left-side turn signal lighting. Thanks to its factory design, the module ensures proper integration with the BMW electrical system, stable operation of LED diodes, and consistency with the factory lighting signals.

Specifications and technical data

• SKU: 7394905
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7394905
• Substitutable numbers: 7394905, 63117394905
• Location on the vehicle: Left
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented module is dedicated to facelifted (LCI) BMW F06, F12, and F13 series models and is responsible for controlling the left-side turn signal. As part of the LED lighting system, it manages power supply and diode operation, resulting in clear, uniform maneuver signaling on the road. Using an original module maintains compliance with the vehicle's factory electronic parameters and avoids errors in the onboard systems.

Construction and Integration with BMW Electrical System

The module belongs to the Electronic Control Modules and Drivers group, meaning it is designed to work with the BMW bus and electrical architecture. The connector and housing design allows for correct installation in the lamp or designated mounting location on the left side of the body, as well as a secure connection to the wiring harness without modifications. This ensures full compatibility with factory diagnostic systems and lighting control logic.

Benefits of Using an Original Module

Using an original turn signal LED module in BMW F06, F12, and F13 LCI models offers a range of practical benefits:

• correct cooperation with vehicle electronics and light control systems,
• stable LED power supply and repeatable lighting characteristics,
• preservation of the original functionality of the left-side turn signal,
• reduction in the risk of error messages appearing on the dashboard.

Using a used OEM part allows for economical repair of the lighting system while maintaining proper operating parameters and fit for the specific generation of BMW F series.

Selection, Installation, and Compatibility Verification

To select the appropriate turn signal LED module, it is advisable to use the manufacturer's markings and vehicle data, which facilitates matching it to a specific version of the facelifted BMW F06, F12, or F13. Installation involves replacing the existing module in the lamp or designated location on the left side, maintaining the correct order for disconnecting and connecting electrical connectors. A properly selected part restores the full functionality of the turn signal system without the need to interfere with other lighting components.

Expansion of BMW Electronics and Service Knowledge

If you are planning a comprehensive repair or upgrade of the body electronics area in your BMW and need other parts from the same group, such as light control units, comfort modules, or additional LED drivers, check the available parts in the BMW Electronic Control Modules and Drivers category.

When working with BMW electronics – including lighting modules, comfort controllers, or multimedia system management units – specialized service knowledge can be helpful. It is worth consulting the guide Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?, which discusses practical aspects of diagnosing and replacing electronic modules using proven used parts.