Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

BMW X3 1999–2024technical service bulletin

Bulletin B540421 · NHTSA communication 10244239 · issued Oct 18, 2023

Technical service bulletin
communication type
Visibility
component
1999–2024
model years
60
vehicle entries

Official summary

This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.