Service Bulletin

2021 BMW X3/X4 Groaning Noise from Seat Belt Support

Owners of 2021 BMW X3 and X4 vehicles may experience a groaning noise originating from the shoulder safety belt support during acceleration and cornering. This manufacturer communication, identified by NHTSA ID 10214262, provides details on this specific issue affecting the seat belts and seats…

ByAhmet Topcu — Founder & Editor-in-Chief2021 BMW X3
2021 BMW X3 — 2021 BMW X3 groaning noise
Editorial illustration generated for this article.
2021 BMW X3 groaning noise2021 BMW X4 groaning noiseBMW X3 shoulder safety belt support noiseBMW X4 shoulder safety belt support noiseBMW X3 seat belt noise accelerationBMW X4 seat belt noise corneringNHTSA ID 10214262BMW TSB seat beltsBMW TSB seatsgroaning noise accelerating and cornering
BMW X4
2021

Symptoms

Owners of certain 2021 BMW X3 and X4 vehicles may notice a distinct groaning noise. This sound typically originates from the area of the shoulder safety belt support. The noise is most commonly heard when the vehicle is accelerating or cornering. It can affect both the driver's seat and the front passenger seat. If you experience a 2021 BMW X3 groaning noise under these conditions, your vehicle may be subject to this issue.

Diagnosis / Trigger Conditions

The groaning noise is specifically linked to vehicle dynamics, appearing during acceleration and cornering. This suggests that the movement and stress on the shoulder safety belt support during these maneuvers are the primary triggers. The issue can manifest in either the driver's or the front passenger's shoulder safety belt support, indicating a potential design or material characteristic rather than a single isolated failure point.

Repair Procedure Summary

While the specific repair steps are not detailed in the provided summary, manufacturer communications like this typically involve an inspection of the affected shoulder safety belt support. Technicians would likely assess the mechanism for any friction points, wear, or misalignment. Potential remedies could include lubrication of moving parts, adjustment of the support mechanism, or, if necessary, replacement of the shoulder safety belt support assembly. The aim is to eliminate the friction causing the 2021 BMW X3 groaning noise.

Owner Action

If your 2021 BMW X3 or X4 is exhibiting a groaning noise from the shoulder safety belt support during acceleration or cornering, it is recommended to contact your authorized BMW dealer. Inform them about the specific symptoms you are experiencing. Referencing manufacturer communication NHTSA ID 10214262 may help the service department quickly identify the issue. Addressing this 2021 BMW X3 groaning noise promptly can ensure the proper function and comfort of your vehicle's safety belt system.


Source: NHTSA ID 10214262

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