Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187

Visual condition of the part

The product shows signs of use visible in the photos.

Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit is an original component from the Electronic control modules and controllers group, designed for factory integration with the vehicle's electrical system. It ensures the consistency of the multimedia system, communication with other controllers, and convenient operation of navigation and radio functions from the cockpit.

Specifications and technical data

• SKU: 9273187-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9273187
• Substitutable numbers: 9273187, 65129273187
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The navigation radio dedicated to the BMW E90/E91 series acts as the central element of the infotainment system, working in conjunction with other controllers in the vehicle. It is responsible for processing the radio signal, handling the user interface, and communicating with the navigation system and other electronic modules.

Thanks to its factory design, it ensures proper fitment with the electrical installation, communication bus, and dashboard ergonomics, which translates into stable operation and predictable behavior of the entire system.

Advantages of using an original BMW module

Using an original radio-navigation module in a BMW E90/E91 allows for maintaining the consistency of the vehicle's software and configuration. The controller is prepared to work with factory buttons, the display, and other system components, which reduces the risk of communication errors and compatibility issues.

Electronic control modules and controllers of this type are designed to operate in demanding temperature conditions and under variable electrical loads, which is why their correct selection has a direct impact on the reliability of daily operation.

Condition, verification, and selection of parts

The offered item is in used condition, meaning it has been removed from a vehicle and verified for further use. This solution is cost-effective while allowing you to maintain the original vehicle specification without the need for universal replacements.

Before purchasing, it is worth comparing the vehicle's equipment configuration and the type of multimedia system used to ensure full functional compatibility with your BMW E90 or E91. In case of doubt, it is helpful to compare the vehicle data with the information contained in the product's technical specification.

Integration with the installation and other controllers

The navigation radio communicates with other onboard controllers via the communication bus, so its correct selection is important for the stability of the entire electronic system. Proper configuration enables, among other things, correct operation of comfort functions, system messages, and integration with the factory sound system.

A properly selected module reduces the need for additional programming and adaptation, which shortens installation time and decreases the risk of diagnostic errors after installation.

Expanding knowledge about used electronics

If you are considering installing a used module in your car and want to better understand how to safely choose controllers, comfort modules, or sensors, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Related items from the same group

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 control modules, comfort system controllers, or other management units, check out the available parts in the BMW electronic control modules and controllers category.