Head Unit Cable BMW F45 F46 CID Central Information Display Wiring 9339190

Head Unit Cable BMW F45 F46 CID Central Information Display Wiring is an original wiring harness designed for connecting the central information display in BMW F45 and F46 series vehicles. This component belongs to the Switches, control elements and ignition switches category, ensuring stable and organized signal routing between the multimedia module and the CID screen. Using this OEM component allows for maintaining the factory electrical architecture and reduces the risk of compatibility issues.

Specifications and technical data

• SKU: 9339190
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9339190
• Substitutable numbers: 9339190, 61129339190
• Category: Switches & Controls

Purpose and function in the vehicle

The presented wiring harness is dedicated to the CID central information display system in BMW F45/F46 models, where it is responsible for data and power transmission between the control unit and the screen. Thanks to the factory design, the correct wire topology, proper shielding, and connector fitment to the original dashboard sockets are maintained.

As an element from the Switches, control elements and ignition switches category, the harness works with comfort and infotainment control systems, ensuring proper communication with the driver interface. Proper wire routing reduces electromagnetic interference and minimizes the risk of signal loss between the head unit and the display.

Construction and advantages of using an original wiring harness

The original BMW wiring harness has been designed for a specific cockpit configuration, which translates into precise wire length, placement of mounting points, and connector shape. The use of factory connectors eliminates the need for installation modifications, soldering, or the use of adapters, which is particularly important in the area of multimedia and control systems.

Key benefits of using this wiring harness include:

• maintaining factory compatibility with the head unit and CID display,
• organized wire routing in the tunnel and dashboard,
• reduced risk of communication errors and signal interference,
• easier system diagnostics in the future due to compliance with BMW service documentation.

Condition, installation, and service application

The item is offered as a used part, which allows for an economical repair of the CID display system while maintaining original build quality. The harness is suitable both for replacing damaged wiring and for restoring the factory configuration after previous non-factory installation modifications.

Installation involves removing interior trim elements in the center console and dashboard area, unplugging the old harness, and connecting the new one to the factory-provided sockets. Thanks to the OEM design, the process is predictable and can be carried out in accordance with the manufacturer's service procedures, without the need to interfere with the vehicle's main electrical installation.

Integration with BMW control systems

The Head Unit Cable BMW F45 F46 CID Central Information Display Wiring works with factory control modules, maintaining full integration with the vehicle menu, display functions, and control elements in the cabin. The appropriate structure of wires and connectors supports stable operation of the infotainment system, which translates into the readability of information presented to the driver and predictable interface performance.

If you are planning a comprehensive repair or upgrade of the cockpit area in your BMW and need other elements from the same group, such as selectors, control modules, or ignition switch harnesses, check out the available parts in the BMW Switches, control elements and ignition switches category.

Expert support and selection of used components

When working with electrical installations and control elements, it is worth paying attention to the general condition of harnesses, connectors, and insulation to avoid communication problems between modules. For other components, especially those related to driving safety, guidelines on selecting used parts may be helpful. Detailed tips can be found in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which shows how to responsibly approach the purchase of components from the secondary market.