2021-2024 BMW X5, X7 Wind Noise SIB 51 15 20 Deactivated

Important Update Regarding SIB 51 15 20

BMW has issued an important update concerning Service Information Bulletin (SIB) 51 15 20, which addresses a condition described as "WIND NOISE FROM ENGINE BULKHEAD." This bulletin, originally dated April 2020, was revised on March 21, 2024, and has now been explicitly deactivated. Owners experiencing BMW X5 wind noise or X7 wind noise should be aware that the deactivation signifies any previous information or diagnostic guidance provided in the earlier version of SIB 51 15 20 is no longer considered current or comprehensive for resolving the issue.

The manufacturer is currently investigating other potential factors that may contribute to the "WIND NOISE FROM ENGINE BULKHEAD" in affected vehicles, beyond what might have been mentioned in the superseded bulletin. The topic remains under active and ongoing investigation by BMW engineers, indicating that a definitive solution or updated procedure is still being developed.

Affected Models

This Service Information Bulletin, SIB 51 15 20, specifically applied to certain BMW Sports Activity Vehicles. These include the G05 series, known as the BMW X5 Sports Activity Vehicle, and the G07 series, which is the BMW X7 Sports Activity Vehicle. Owners of these models from the 2021-2024 model years who experience a "WIND NOISE FROM ENGINE BULKHEAD" should note the status of this bulletin.

What Owners Should Know

If you are experiencing a "WIND NOISE FROM ENGINE BULKHEAD" in your 2021-2024 BMW X5 or X7, it's crucial to understand the current status of SIB 51 15 20. This bulletin has been deactivated, meaning the information it previously contained is no longer considered the complete or final word on the issue. BMW is actively researching the root cause and potential remedies, acknowledging that other components might be contributing factors to the BMW X5 wind noise or X7 wind noise.

Because this is a Service Information Bulletin and not a recall, BMW is NOT notifying consumers directly about its deactivation. Owners will not receive a specific letter or communication regarding this particular bulletin's status. It is an internal communication for dealerships to guide their diagnostic and repair efforts. Therefore, if you have concerns about wind noise in your vehicle, it is advisable to contact your authorized BMW dealership. They can check for any updated information, new service bulletins, or emerging solutions that may become available as the investigation progresses. While SIB 51 15 20 is deactivated, the underlying concern of wind noise is still being addressed by the manufacturer. Do not expect a repair based on the previous version of this bulletin, as BMW's investigation is ongoing.

Superseded Information

This Service Information Bulletin (Revision 1), dated March 21, 2024, explicitly replaces the earlier SI B51 15 20 dated April 2020. The primary change noted in this revision was an update to the 'Model' section, expanding the scope of affected vehicles. However, despite this revision, the bulletin itself has now been deactivated, indicating a shift in BMW's approach to resolving the "WIND NOISE FROM ENGINE BULKHEAD" issue.

NHTSA ID: 10252016