BMW X3 X5 E46 E53 E83 Ignition Barrel Key Aerial Ring Antenna 6964556

BMW E46 E53 X5 E83 X3 Immobilizer Ring Antenna is a component from the Switches, Control Elements, and Ignition Switches category, responsible for the correct interaction between the key and the vehicle's security system. The ring antenna reads the transponder in the key and transmits the signal to the immobilizer system, enabling engine start. This is a precise component that is crucial for the stable operation of the starting system in BMW E46, E53 X5, and E83 X3 models.

Specifications and technical data

• SKU: 6964556
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6964556
• Substitutable numbers: 61356964556, 6964556, 61350403532, 61358379345 61358363099, 61350141223 61356900016, 0403532 8379345, 8363099 0141223, 6900016
• Category: Switches & Controls

Function and Application of the BMW Immobilizer Ring Antenna

The immobilizer ring antenna is mounted near the ignition switch and forms a coupling with the transponder in the key. Its tasks include:

• stable reading of the key code and transmitting it to the control module,
• cooperation with the factory BMW security system,
• ensuring the correct authorization process before engine start.

By maintaining the original design, this component allows for the restoration of correct starting system operation in BMW E46, E53 X5, and E83 X3 vehicles without altering the electrical installation.

Benefits of Using an Original Ring Antenna

Using a factory immobilizer ring antenna in a BMW offers tangible operational benefits:

• Full compatibility with vehicle electronics – designed to match the factory immobilizer system and ignition switch.
• Reduced starting problems – elimination of typical symptoms of a damaged antenna, such as intermittent key response failures.
• No need for installation modifications – installation in place of the original component, preserving the original wiring harness routing.
• Ability to use existing key and module configurations without additional programming of the antenna itself.

This solution is particularly beneficial for users who want to maintain the integrity of the security system and avoid unreliable aftermarket replacements.

Component Characteristics and Vehicle Fitment

The immobilizer ring antenna offered here is from the BMW group and is intended for installation in E46, E53 X5, and E83 X3 models. It belongs to the Switches, Control Elements, and Ignition Switches category, meaning it works directly with the ignition switch mechanism and the electronic system responsible for key authorization.

The component has a dedicated OEM part number and assigned interchangeable numbers, which facilitates verification of compatibility with a specific vehicle equipment version. It is advisable to compare the markings with your vehicle's data before purchase to ensure proper fitment for your specific configuration.

Condition, Origin, and Practical Application

The offered immobilizer ring antenna is a used part, which helps reduce repair costs while maintaining the original BMW construction. This is a practical solution for situations where starting problems, key-to-vehicle communication issues, or immobilizer-related errors occur.

Replacing the antenna is typically a service task of moderate difficulty, performed after disassembling the steering column cover and gaining access to the ignition switch. Thanks to its factory shape and connectors, installation is straightforward and does not require any installation modifications.

Related Products and Technical Knowledge

If you are looking for other components from the Switches, Control Elements, and Ignition Switches category dedicated to this brand, check out our offer for BMW Switches, Control Elements, and Ignition Switches, where you will find a wide selection of components for control and starting systems.

When considering the use of used parts in premium cars, it is worth familiarizing yourself with practical tips on selecting and operating such components – the article Used Mercedes Parts – Original Parts from Dismantling, which discusses the advantages of using original dismantled parts in premium segment vehicles, may be helpful.