2021 BMW Models: Washer Fluid Reservoir Rattle TSB

Symptoms

Owners of certain 2021 BMW models, including the 330i, 330e, 430i, M240i, 230i, M440i, and M340i, may notice unusual noises coming from their vehicle. Specifically, you might hear "Rattling noises heard from vicinity of glove box" while driving. This issue is identified as a "Washer Fluid Reservoir Rattles While Driving on Rough Roads."

Diagnosis / Trigger Conditions

The rattling sound is typically observed when the vehicle is driven over uneven surfaces or rough roads. The noise originates from the area near the glove box, indicating the washer fluid reservoir as the source. This condition points to a potential issue with the reservoir's mounting or stability.

Repair Procedure Summary

BMW Manufacturer Communication 10194305 addresses the concern of a 2021 BMW washer fluid reservoir rattle. While the specific repair steps are not detailed in the summary, manufacturer communications typically outline a procedure for technicians to resolve such issues. This would likely involve inspecting the washer fluid reservoir, its mounting points, and any surrounding components to identify and eliminate the source of the rattle. Solutions often include securing the reservoir, adding dampening materials, or adjusting its position.

Owner Action

If you are experiencing a 2021 BMW washer fluid reservoir rattle, it is recommended to contact your authorized BMW dealership. Describe the symptoms, specifically mentioning the rattling noise from the glove box area, especially when driving on rough roads. The dealership technicians can refer to BMW Manufacturer Communication 10194305 to diagnose and perform the appropriate repair under warranty, if applicable.

Source: NHTSA ID 10194305