BMW E46 E53 E83 E85 Radio Remote Alarm Key Fob Button Ignition Switch

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E46 E53 E83 E85 Radio Remote Alarm Key Fob Button Ignition Switch is an original component from the Switches, control elements and ignition switches group, designed for the ignition and central locking control system in selected BMW models. The product ensures precise cooperation with the vehicle's factory electronics, enabling convenient control of remote, alarm, and ignition functions while maintaining high compatibility with the car's electrical installation.

Specifications and technical data

• SKU: 7197330
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7197330
• Substitutable numbers: 7197330, 32307197330, 0002736, 32300002736, 1095821, 32301095821, 6780759, 32306780759
• Category: Switches & Controls

Application and function in the BMW control system

This component is designed as part of the system responsible for handling the remote, alarm, and ignition in BMW E46, E53, E83, and E85 series cars. It is responsible for the correct interpretation of signals from the key fob buttons, cooperation with the comfort module, and activation of the ignition switch, which translates into smooth engine starting and operation of remote functions. Thanks to a design compliant with factory BMW standards, the component integrates with the existing wiring harness and vehicle electronics without the need for interference with the original system.

Construction, compatibility, and identification parameters

The element belongs to the Switches, control elements and ignition switches group, which means it is associated with key functions of ignition control and remote vehicle access. As a BMW brand part, it has a dedicated OEM part number and a set of interchangeable numbers, which facilitates unambiguous identification in service catalogs and parts selection systems. The presence of multiple reference numbers allows the component to be matched to various equipment versions and production years within the indicated body series, minimizing the risk of purchasing an unsuitable part.

Performance characteristics and benefits of installation

As a used part, the component comes from disassembly and is intended for users looking for an economical solution that is still compliant with factory standards. Using an original BMW component allows for maintaining the consistency of the alarm system, remote, and ignition switch operation, which is particularly important in vehicles equipped with extensive comfort electronics. In practice, this means:

• maintaining proper communication between the key, alarm, and control modules,
• reducing issues with key recognition and ignition starting,
• better compatibility with existing vehicle software compared to low-quality replacements.

For workshops and individual users, this means stable operation of the control system and a lower risk of needing additional installation modifications.

Part selection by numbers and technical support

To correctly match this element to a specific BMW vehicle, it is worth using the OEM part number and available interchangeable numbers, which are listed in the technical specification. This allows for verifying compatibility with a specific body version, production year, and equipment configuration. In case of doubt, a good solution is to compare the markings with the removed part or consult a mechanic specializing in the BMW brand, which additionally increases the safety of the purchase and the correctness of the installation.

If you are planning a comprehensive repair or upgrade of the ignition control area and remote functions in your BMW and need other elements from the same group, such as ignition switch modules, steering column switches, or additional control elements, check the available parts in the BMW Switches, control elements and ignition switches category.

Electronic system safety and purchasing used parts

When replacing elements responsible for ignition, alarm, and remote control, it is particularly important to maintain a high level of safety and compliance with the factory installation. It is worth paying attention to the condition of the connectors, the absence of mechanical damage to the housing, and correct operation after test installation. For users who want to deepen their knowledge on the safe selection of used components, a guide describing the differences between new and used parts, their durability, and cost-effectiveness may be helpful – you can find it in the article Car parts – new or used? Comparing costs, quality, and durability.

If you are also interested in the safe selection of used components in other key vehicle systems, including the particularly sensitive braking system, it is worth familiarizing yourself with the practical tips contained in the material Second-hand braking system: how to safely choose discs, calipers, and ABS?, which shows what to look for when buying elements from the secondary market.