BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 E66 Handset Phone Mobile SIEMENS BIT II

BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 E66 Handset Phone Mobile SIEMENS BIT II is an original telephone module designed for factory-fitted onboard telephone systems in selected BMW models. This component ensures consistency with the vehicle's multimedia system, providing aesthetic integration with the interior and stable communication with the factory electronics. By using an OEM solution, you receive a part designed specifically for the electrical architecture of these series, which promotes trouble-free system operation.

Specifications and technical data

• SKU: 6920275
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6920275
• Substitutable numbers: 84116920275, 6920275, 84118379916 84116914933 84116913779, 84106917620 84116912022, 8379916 6914933 6913779 6917620 6912022, PK
• Category: Other Interior Parts & Accessories

Purpose and compatibility with BMW models

The presented telephone handset is dedicated to BMW 3, 5, 7, and X5 series vehicles of the E38, E39, E46, E53, E65, and E66 generations equipped with the factory Siemens BIT II telephone installation. This means the module works with the original wiring, connectors, and control interface in these models without the need for installation modifications. Full integration with the factory audio system and cabin controls is maintained, facilitating daily use.

Technical and functional characteristics

The Siemens BIT II handset was designed as part of the BMW onboard telephone system, allowing it to communicate with the vehicle's electronics according to the manufacturer's standards. The module:

• works with the factory wiring and the cradle in the center console or armrest,
• is integrated with the vehicle's hands-free system,
• uses the original communication protocols used in the given BMW generation.

This design allows for maintaining the consistency of the entire comfort and multimedia system, and also limits the risk of communication errors in the vehicle's bus.

Benefits of using an original handset

Using an original BMW Siemens BIT II telephone handset to replace a missing or damaged component provides a number of practical benefits:

• Full compatibility with the installation – no need for wire adaptation or the use of adapters.
• Consistent operation from within the interior – maintaining the original look and ergonomics of the cockpit.
• Stable cooperation with comfort modules and the audio system – reduction of interference and error messages.
• Possibility to restore the factory functionality of the onboard phone in collector cars or those maintained in OEM specification.

Product condition and practical application

The offered handset is a used item, sourced from dismantling, which allows for an economical restoration of the factory telephone system's efficiency in your BMW. This type of part is particularly valuable in vehicles where the owner wants to preserve the original equipment while avoiding the installation of universal kits not adapted to the model's architecture.

Before installation, it is recommended to verify compatibility with your existing equipment configuration and consult with an automotive electrician or a service center specializing in the BMW brand to ensure proper connection and system configuration.

Expanding your BMW equipment system

If you are planning a comprehensive repair or upgrade of the comfort and multimedia equipment zone in your BMW and need other elements from the same group, such as control modules, communication interfaces, or additional telephone accessories, check the available parts in the Other BMW category.

For a comparison of solutions used in other brands and sports segments, and to better understand the differences in the construction of powertrains and the accompanying electronics, it is worth reading an article describing the specifics of Audi sports models – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.