BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420

BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High is an original component from the Electronic control modules and controllers group, designed for factory-fitted multimedia systems in BMW F-series vehicles after the facelift. It enables the operation of navigation and DVD media in a way that is consistent with the rest of the vehicle's installation, ensuring stable communication with other control units. This is a solution for users who want to maintain full functionality of the iDrive system when replacing a damaged module.

Specifications and technical data

• SKU: 6991582
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6991582
• Substitutable numbers: 65126991582, 6991582, 65126836621, 6836621, 65126822066, 6822066, 65129382264, 9382264, 65122449482, 2449482, 65129387386, 9387386, 65126842259, 6842259, 65126829104, 6829104, 65126809244, 6809244, 65126825837, 6825837, 6819420
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The presented navigation DVD head unit is an OEM BMW component that works with the factory electrical installation and data bus in F20, F21, F30, and F31 LCI models. As part of the infotainment system, it is responsible for reading map data, DVDs, and integrating with the user interface in the cabin. Thanks to a design that meets the vehicle manufacturer's requirements, the module maintains full compatibility with other onboard controllers, which reduces the risk of communication errors and coding issues. This is particularly important in modern cars, where many comfort and safety functions are linked to the central multimedia system.

Benefits of using an original BMW module

Using an original DVD head unit in a BMW navigation system translates into:

• consistent operation with the existing electrical installation and controller network,
• preservation of the factory iDrive system operation logic,
• reduced need for wiring modifications or additional connector adjustments,
• easier diagnostics using standard BMW service tools. For workshops and users, this means more predictable installation and a lower risk of problems after replacement. Electronic control modules and controllers in the OEM version are designed for long-term cooperation with other vehicle systems, which is important when operating in demanding conditions.

Product characteristics and installation

The navigation module with a DVD player is a component intended for installation in the original location provided by the vehicle manufacturer. The connector and housing design are matched to the architecture of the BMW F-series interior, which facilitates installation and proper mounting in the center console or a dedicated bracket. When replacing this type of controller, it is recommended to:

• verify compatibility by OEM part number and interchangeable numbers,
• check the vehicle's equipment version and the type of multimedia system used,
• prepare for potential coding or adaptation in the vehicle after installation. This approach helps to reduce vehicle downtime and ensure the proper operation of all functions associated with the navigation system.

Condition, origin, and service application

The offered item is a used part, sourced from a dismantled BMW vehicle. For many users and service centers, this is a reasonable compromise between repair costs and maintaining the original vehicle specification. Used electronic control modules and controllers allow for restoring full system functionality without the need to invest in a new component. If you want to better understand how to safely select and install used controllers and other onboard electronic components, check out our guide: Used automotive electronics – second-hand ECU modules and sensors. You will find practical tips on selection by OEM numbers, hardware and software compatibility, and installation procedures.

Expanding repairs within BMW electronics

If you are planning a comprehensive repair or upgrade of the onboard electronics in your BMW and need other components from the same group, such as comfort controllers, multimedia modules, or driver assistance management units, check out the available parts in the BMW electronic control modules and controllers category.