BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8804459

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 is an original navigation module and multimedia head unit designed for selected BMW 1, 3, 5, and 7 Series models. As a component from the Electronic control modules and controllers group, it is responsible for advanced navigation functions, iDrive interface operation, and integration with the vehicle's other electronic systems. This is a solution for users who want to restore the full functionality of the factory system or perform a well-thought-out upgrade within the original BMW architecture.

Specifications and technical data

• SKU: 8804459
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8804459
• Substitutable numbers: 8804459, 65128804459, 9824985, 65129824985, 9437951, 65129437951, 8707190, 65128707190, 8800149, 65128800149, 8736164, 65128736164, 9877375, 65129877375, 8721884, 65128721884, 8708259, 65128708259, 8732654, 65128732654
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The presented navigation unit is a central element of the infotainment system in selected BMW F20, F21, F30, F31 LCI, as well as G30, G31, and G11 models. It is responsible for:

• processing navigation data and displaying maps on the iDrive system screen,
• coordinating communication with other controllers in the vehicle,
• handling multimedia functions and vehicle settings available from the menu,
• integration with the factory audio system and user interface.

Thanks to the preservation of the OEM architecture, the module works seamlessly with the vehicle's electrical installation and data bus, which promotes stable operation of the entire system.

Compatibility and interchangeable numbers

The navigation unit was designed by BMW as part of the factory electronic system. It has a dedicated OEM part number and a set of interchangeable numbers, which facilitates the selection of the appropriate controller for a specific vehicle configuration. The presence of multiple reference numbers allows the module to be matched to various equipment versions within the same body generations.

Before purchasing, it is recommended to compare the part number and interchangeable numbers with the vehicle data to ensure full compatibility with the existing installation and to avoid communication issues on the bus.

Characteristics as an Electronic control module

As an item from the Electronic control modules and controllers category, this navigation unit acts as a specialized onboard computer. The module:

• operates within the vehicle's controller network, exchanging data with other units,
• manages the logic of the navigation system and user interface,
• is adapted for installation in factory mounting points in the given BMW model,
• was developed for compatibility with the manufacturer's original software.

This type of solution allows for maintaining functional and visual consistency of the interior, as well as keeping compliance with factory software updates.

Condition, origin, and advantages of using a used part

The offered module is an original BMW component sourced from dismantling, which means it has been previously used in a vehicle. Unlike low-quality replacements, the original unit retains factory operating parameters and fitment to the electrical installation and iDrive system architecture. For many users, this is a reasonable compromise between cost and maintaining compatibility with the vehicle's equipment.

Using a used navigation module allows you to:

• restore system efficiency after a factory unit failure,
• maintain the original look and interface operation,
• reduce repair costs compared to purchasing a new controller.

Installation and operational tips

When replacing a navigation unit in BMW F and G series, it is worth ensuring professional installation and correct system configuration. In many cases, it is necessary to perform coding or adaptation procedures so that the module is correctly recognized by other controllers. It is recommended to commission the installation to a workshop with experience in BMW electronics and access to appropriate diagnostic software.

Additional information on the practical approach to repairing iDrive systems and other electronic modules in BMW 3 and 5 series can be found in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models. This is a valuable source of knowledge for those planning the conscious use of parts from dismantling.

If you want to learn more about the subject of selecting used components for German cars, the following guide may also be helpful: Renovation and repair of German cars – which used parts are worth buying, which discusses, among other things, safety and cost-effectiveness issues when purchasing electronic components.

Expanding upgrades within BMW electronics

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