BMW 1 3 Series E81 E87 E90 E91 E92 Ultra Sonic Alarm System Module 9200943

BMW E87 E90 Alarm System Sensor Module is an original part from the Other category, designed for the factory security system in BMW 1 Series E87 and 3 Series E90 vehicles. It ensures the proper functioning of the alarm system, maintaining consistency with the vehicle's electronics and adhering to manufacturer-specified parameters. This is a solution for users who want to restore full alarm functionality while maintaining OEM standards.

Specifications and technical data

• SKU: 9200943
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9200643
• Substitutable numbers: 65759200643, 9200643, 65759244134, 9244134, 65759200943 65756972064 65756946528, 9200943 6972064 6946528, 65759149671 65756974373 65756963651, 9149671 6974373 6963651
• Category: Other Starters, Alternators, ECUs & Wiring

Module Purpose and Function

The BMW E87 E90 Alarm System Sensor Module works in conjunction with the vehicle's factory electrical system, responsible for correctly detecting signals from alarm sensors and transmitting them to the central control unit. This component is designed for BMW's specific electronic architecture, ensuring compatibility with the original vehicle software and configuration.

Using a dedicated module instead of universal solutions minimizes the risk of communication errors on the vehicle's bus, incorrect dashboard messages, and integration issues with other comfort systems.

Advantages of Using an Original BMW Module

Choosing an original alarm module for BMW E87 and E90 offers:

• Full integration with BMW electronics – the module works with the factory control unit, eliminating the need for installation modifications.
• Stable alarm system operation – maintaining the parameters specified by the vehicle manufacturer.
• Reduced risk of diagnostic errors – correct communication with other control units in the vehicle.
• The ability to restore the factory security configuration after a previous component failure.

This solution provides the user with a vehicle-consistent part that allows the alarm functionality to be maintained at the level intended by the manufacturer.

Condition and Usage Characteristics

The offered module is from the secondary market, allowing for an economical restoration of the alarm system's functionality while maintaining the original BMW specifications. This is particularly beneficial for older vehicle generations where new parts may be limited in availability, and using a used OEM component offers a sensible compromise between cost and functionality.

Before installation, standard verification of the vehicle's electrical system is recommended, and if necessary, module adaptation using appropriate service software, in accordance with BMW procedures.

Selection and Integration within the BMW Other Category

If you are looking for other parts in the BMW Other category for your car, check the availability of products such as wiring harnesses, auxiliary modules, or additional electrical system components by following the link: BMW Other – dedicated parts for your car. This will facilitate the selection of compatible parts within the same brand and category, promoting the consistency of the entire system.

Technical Support and Systems Knowledge

When working with vehicle electronics, including alarm modules, it is beneficial to expand your knowledge about the structural differences between various model lines and equipment versions. For a comparison of solutions used in other sports and standard car brands, you can refer to the guide: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?. This helps to better understand how manufacturers differentiate mechanical and electronic components based on the vehicle's intended use.

Summary

The BMW E87 E90 Alarm System Sensor Module is a solution for users who want to maintain the factory logic of their vehicle's security system. The original nature of the component promotes seamless integration with the existing installation, and the use of a dedicated module helps to reduce the risk of malfunctions resulting from incompatible replacements. It is a practical choice for repairing the alarm system in BMW E87 and E90 vehicles.