BMW E46 Convertible Rollover Sensor Control Unit Module 6918833

BMW E46 Convertible Rollover Sensor Control Unit Module is a specialized, original module from the Electronic Control Units and Controllers group, responsible for controlling the rollover sensors in the BMW 3 Series E46 convertible. This precision device works with the vehicle's safety systems, ensuring the proper response of the system in critical situations.

Specifications and technical data

• SKU: 6918833
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6918833
• Substitutable numbers: 6918833, 67916918833, 6918515, 67916918515, 8385223, 67918385223
• Category: ECUs & Computer Modules

Purpose and function of the module

The presented controller is a component of the passive safety system in the BMW E46 convertible, monitoring the operation of tilt and acceleration sensors related to a potential rollover. The module analyzes signals from the sensors and transmits them to the appropriate vehicle systems, which allows for a quick, programmed response of other safety components.

Thanks to its factory design, the module is optimized for the electrical architecture of the BMW E46 Convertible, which translates into stable communication with the vehicle's bus and predictable behavior of the entire system in emergency conditions.

Advantages of using an original BMW module

Choosing an original rollover sensor controller for the BMW E46 Convertible ensures:

• consistency with the factory logic of safety systems,
• proper cooperation with the existing electrical installation and other modules,
• preservation of the parameters specified by the vehicle manufacturer.

The original module from the Electronic Control Units and Controllers group is designed for long-term, repeatable operation in demanding operating conditions, which is particularly important in the area of systems responsible for safety.

Performance characteristics and installation

The rollover sensor control module for the BMW E46 Convertible is designed for integration with the vehicle's factory wiring. This makes it possible to maintain the original installation configuration without the need for modifications to harnesses or connectors.

Before installation, it is recommended to:

• verify compatibility by OEM part number and interchangeable numbers,
• check the condition of the electrical installation in the vehicle,
• perform diagnostics after installation using an appropriate tester.

This type of module, as an element of the safety system, should be installed in accordance with the manufacturer's service procedures, which minimizes the risk of communication errors with other controllers.

Product condition and benefits of choosing a used module

The offered controller comes from the segment of used original BMW parts, which allows combining factory build quality with a more favorable purchase cost compared to new components. A used module of this type is an attractive solution for post-accident repairs, clearing safety system errors, or restoring full functionality to the convertible after replacing other system elements.

To better understand how to safely and consciously select such components, it is worth reading the guide on second-hand electronics: Used automotive electronics – second-hand ECU modules and sensors. The article discusses, among other things, selection by OEM numbers, compatibility issues, and practical installation tips.

Expanding the control system in BMW

If you are planning a comprehensive repair or upgrade of the electronic safety systems zone in your BMW and need other elements from the same group, such as control modules, body controllers, or other onboard system controllers, check the available parts in the BMW Electronic Control Units and Controllers category.

Thanks to the use of original control modules, it is possible to maintain the consistency of the entire vehicle's electronic architecture, which translates into stable system operation, easier diagnostics, and predictable vehicle behavior in emergency situations.