BMW 3 Series E46 Module Radar Burglar Alarm Rear 6943584

The BMW 3 Series E46 rear alarm sensor radar module is an original component of the security system, designed for installation in the rear of the vehicle body. This specialized module works with the factory alarm, enhancing the effectiveness of vehicle protection against unauthorized access. Thanks to its precise fit for the BMW 3 Series E46, it is a practical service solution for alarm system repairs.

Specifications and technical data

• SKU: 6943584
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9118038
• Substitutable numbers: 65759118038, 9118038, 65756943584, 6943584, PK
• Location on the vehicle: Rear
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function of the Radar Module

The described module is a component of the factory alarm system, responsible for monitoring the space in the rear zone of the vehicle. Its task is to cooperate with other alarm components to detect unwanted movements or interference in the rear area of the car. Vehicle Placement: Rear allows for optimal coverage of the critical luggage compartment and rear cabin area, which translates to a higher level of operational safety.

Compatibility and Part Identification

The module has been designed specifically for the 3 Series E46, ensuring proper electrical and mechanical fit for the vehicle's installation. As a part from the Other category in the BMW parts offering, it performs a specialized function within security electronics. Component identification is done through a dedicated OEM part number and associated replacement numbers, which facilitates the selection of the correct module during repair or replacement.

Characteristics of the Used Part

The presented module is a used part, sourced from a dismantled BMW vehicle. Such components are often chosen by professional services and workshops specializing in E46 models, as they allow for consistency with the car's original electrical architecture. The Original Radar Module ensures compatibility with the existing wiring harness and control units, which reduces the risk of communication problems within the vehicle's bus system.

Benefits of Using an Original Alarm Module

Using the factory radar module in the rear of the BMW 3 E46 allows for maintaining the integrity of the security system without the need for adapting universal solutions. The most important advantages include:

• maintaining compatibility with the factory alarm control unit and electrical installation,
• stable operation within the parameters specified by the manufacturer,
• no need for modifications to wiring harnesses or connectors,
• easier diagnostics in case of potential security system malfunctions.

Thanks to this, the rear alarm radar module is a practical solution for repairs, upgrades, or restoring the full functionality of the factory alarm in the BMW 3 Series E46.

Expanding the BMW Security System

If you are planning a comprehensive repair or upgrade of the electronic security zone in your BMW and need other parts from the same group, such as control modules, sensors, or alarm wiring harnesses, check the available parts in the BMW Other category.

For drivers interested in comparing solutions used in different brands and sports segments, including advanced drive and brake systems, an article describing the design differences in high-performance models may be helpful – check the analysis in the material Audi RS vs. Other Models – What Lies Under the Hood and Chassis? to better understand manufacturers' approaches to designing key vehicle systems.