2021-2022 BMW 430i/M440i Wind Deflector Guide Stem Breakage

What's the Issue?

BMW has released a manufacturer communication, identified by NHTSA ID 10228432, addressing a potential problem with the wind deflector assembly. Specifically, it highlights that "the guide stem (aka rotational axis) on the wind deflector can break upon removal and/or during installation." This issue primarily concerns service procedures rather than normal operation.

This advisory serves as a warning to technicians to exercise caution when working on the wind deflector to prevent damage to this component. The guide stem is a critical part of the wind deflector's mechanism, and its breakage would necessitate replacement. This information is crucial for understanding the nature of the "2021 BMW 430i manufacturer_communication".

Important Note for Technicians

The primary purpose of this communication is to inform service personnel about the fragility of the wind deflector's guide stem. Technicians performing work on the sun/moon roof assembly, particularly those involving the wind deflector, should be aware that the "guide stem (aka rotational axis) on the wind deflector can break upon removal and/or during installation." This knowledge helps prevent accidental damage and ensures proper handling during maintenance or repair.

Owner Action

As this issue pertains to potential damage during service, there is no immediate action required for owners unless they are experiencing a problem with their wind deflector. If you own a 2021 BMW 430i or other affected model and plan to have service performed on your sun/moon roof assembly, it is advisable to ensure your service center is aware of this manufacturer communication (NHTSA ID 10228432). This specific "2021 BMW 430i manufacturer_communication" helps prevent unnecessary damage or additional costs during maintenance.

Source: NHTSA ID 10228432.