BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404

BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit is a factory-fitted CD head unit designed for 1 and 3 Series LCI (facelift) models, ensuring a consistent cockpit look and stable audio system performance. As a genuine BMW part, the device maintains full integration with the vehicle's electrical system and factory on-board computer functions. It is a practical solution for drivers looking to restore their multimedia system's functionality or maintain the original interior configuration.

Specifications and technical data

• SKU: 9249404
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9236531
• Substitutable numbers: 65129229241, 9229241, 65129299445, 9299445, 65129236531, 9236531, 65129249404, 9249404, 65129259730, 9259730
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and compatibility

The CD Radio Business unit is designed for use in BMW E81, E87, E90, and E91 LCI vehicles, i.e., post-facelift models. As a result, it fits perfectly into the factory slot in the center console and is compatible with the original wiring and connectors used in these generations.

Its genuine BMW origin ensures proper communication with the vehicle's bus, which is essential for the correct operation of the display, steering wheel controls (if equipped), and other comfort functions.

Functionality of the CD Radio Business system

The Business model is a factory-fitted BMW multimedia solution that provides:

• CD playback from the central dashboard unit,
• FM/AM radio support with integration into factory antennas,
• compatibility with the vehicle's sound system without the need for wiring modifications,
• a clear interface matched to the interior design of the E81/E87/E90/E91 series.

By maintaining the original panel appearance, the radio blends harmoniously with the dashboard, which is important for users who value the authentic character of a BMW interior.

Benefits of using a genuine BMW radio

Using a factory CD Radio Business unit instead of a damaged or non-factory unit allows you to:

• restore full audio system functionality without additional adapters,
• avoid electronics compatibility issues and communication problems with the vehicle's installation,
• maintain visual consistency of the cockpit and button backlighting,
• preserve the vehicle's value by using genuine BMW components.

This solution is particularly beneficial for users who prefer stable, factory configurations over complex aftermarket systems.

Condition and installation aspects

The offered radio belongs to the category of used BMW parts, meaning it is a genuine salvaged component intended for reinstallation in a compatible vehicle. Before installation, it is recommended to perform a standard check of the vehicle's electrical system and, if necessary, configure the device according to BMW service procedures.

In most cases, installation is plug & play, as the unit is structurally designed to fit the factory mounts and connectors in E81, E87, E90, and E91 LCI models.

Related components and multimedia system development

If you are planning a comprehensive repair or upgrade of your BMW cockpit area and need other items from the same group, such as additional control modules, control panels, or multimedia units, check out the available parts in the Other BMW category.

For drivers interested in comparing factory multimedia solutions and powertrains with sportier configurations, the article describing the differences between standard and RS versions may be helpful – details can be found in the post Audi RS vs other models – what is hidden under the hood and chassis?.