BMW 1 3 4 Series F20 F21 F30 F31 F32 Connection Cable For USB 9251703

BMW 1 3 4 Series F20 F21 F30 F31 F32 Connection Cable For USB is an original USB connection cable designed for factory multimedia installations in BMW 1, 3, and 4 Series F-generation vehicles. It enables a stable, wired connection between devices and the car's system, ensuring reliable data communication and power supply. This makes it a practical service solution for repairs or retrofitting of the factory audio-navigation system.

Specifications and technical data

• SKU: 9251703
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9251703
• Substitutable numbers: 61119251703, 9251703
• Category: Other Starters, Alternators, ECUs & Wiring

Application and function of the USB cable

The USB connection cable is a component of the electrical system responsible for integrating external devices (e.g., data storage media, smartphones, players) with the BMW multimedia system head unit. In F20, F21, F30, F31, and F32 series vehicles, this cable operates within the center console or glove compartment, connecting the USB port to the control module.

The appropriate design of the connectors and the cable shielding allow for the reduction of interference and the maintenance of stable data transmission, which translates into the proper operation of functions such as music playback, support for memory media, or software updates using the USB port.

Compatibility with BMW F-series models

The element has been designed with the electrical architecture of the BMW 1, 3, and 4 Series F-generation in mind, which means it matches factory wiring harnesses and mounting points in the body. As a result, the cable can be used both for replacing a damaged section of the installation and for restoring full functionality of the factory USB port after service interventions.

The original BMW origin helps maintain consistency with the existing installation – the connectors used, cable diameter, and routing method are consistent with solutions used in mass production, which facilitates installation and reduces the risk of compatibility issues.

Component characteristics and condition

The cable belongs to the group of electrical system components that are often used in workshop practice for repairs after mechanical damage (e.g., torn socket, broken cable) or when replacing multimedia modules. The product is offered as a used original component, which allows for an economical restoration of system efficiency while maintaining factory specifications.

Due to the nature of the part, it is worth verifying the condition of the connectors and the correctness of the mounting latches in the vehicle before installation to ensure a secure connection and avoid looseness that could affect the stability of data transmission.

Benefits of using an original USB cable

• Consistency with the factory electrical installation of the BMW F-series.
• Wired connection ensuring stable communication with the multimedia system.
• Can be used for repairs, retrofitting, or replacing a damaged section of the wiring harness.
• Solution consistent with the vehicle's architecture, without the need for installation modifications.

Using an original cable helps maintain USB port functionality at the level intended by the manufacturer, which is important both for user comfort and for subsequent vehicle software updates.

If you are planning a comprehensive repair or upgrade of the multimedia installation area in your BMW and need other elements from the same group, such as additional signal cables, power adapters, or module connection harnesses, check the available parts in the Other BMW category.

Technical support and knowledge about differences between sports versions

When working with electrical installations and multimedia, it is worth knowing the differences in equipment between individual model lines and high-performance versions. It may be helpful to read the material describing the specifics of solutions used in cars with a sports character – more information can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the differences in drive systems and equipment.