Ignition Barrel BMW E60 E61 E63 E64 Key Aerial Ring Antenna 6947137

Ignition Barrel BMW E60 E61 E63 E64 Key Aerial Ring Antenna is an original BMW security system component, responsible for precise communication between the key and the immobilizer module. Thanks to its factory design, it ensures correct transponder recognition and stable engine starting. This solution is dedicated to selected 5 and 6 series models, allowing for a technically correct repair of the starting system.

Specifications and technical data

• SKU: 6964555
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6964555
• Substitutable numbers: 61356964555, 6964555, 61326947137, 6947137, 61326921684, 6921684
• Category: Ignition Coils

Function and application of the ignition key aerial ring antenna

The presented ignition key aerial ring antenna operates in the steering column area, where it is responsible for reading the signal from the key inserted into the ignition. This element is crucial for:

• proper operation of the immobilizer in BMW E60, E61, E63, E64 series vehicles,
• stable authorization of the key before starting the engine,
• eliminating issues with intermittent failure to respond to starting attempts.

Thanks to its OEM design, the antenna works with the vehicle's factory electronics, maintaining the original security and communication logic within the vehicle's bus system.

Construction and compatibility with the BMW immobilizer system

The ignition key aerial ring antenna is designed as an element that works with the factory control module and the transponder in the key. This means that:

• installation takes place in the location provided by the manufacturer,
• connectors and housing geometry are matched to the steering column in the given BMW generation,
• the part is compliant with the original signal standard used in BMW security systems.

The availability of interchangeable part numbers allows for selecting the correct antenna variant for a specific equipment configuration, which is particularly important when repairing vehicles with different versions of electronics.

Condition, origin, and benefits of using OEM parts

The offered BMW ignition key aerial ring antenna comes from the brand's original production line, which ensures full compliance with factory quality standards. This item from the Ignition coils category is intended for re-installation in a vehicle after previous use, which is a cost-effective solution while maintaining proper operating parameters.

Using an original BMW OE part allows you to:

• maintain the consistency of the security system with the rest of the electrical installation,
• minimize the risk of communication errors with the key and the comfort module,
• reduce diagnostic and adjustment time compared to aftermarket replacements.

Selection by numbers and integration with vehicle electronics

When selecting an ignition key aerial ring antenna for a specific BMW unit, it is worth using the manufacturer's markings and reference numbers to ensure full compatibility with the used immobilizer module and key type. This facilitates integration with the existing installation and limits the need for additional software modifications.

In the case of more complex electronic systems, it may be helpful to use selection methods based on the OEM number or VIN, which allows for precisely matching the element to the equipment version and vehicle model year.

If you are planning a comprehensive repair or upgrade of the ignition and starting system area in your BMW and need other elements from the same group, such as control modules, inductive elements, or components working with the immobilizer, check the available parts in the BMW ignition coils category.

For drivers interested in deepening their knowledge about selecting original components by OEM numbers and VIN, as well as the specifics of modern power units, the article Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it with original Audi parts, which discusses a practical approach to selecting used OEM elements, may be helpful.