BMW 430I 2024 — technical service bulletin
Bulletin B640626 · NHTSA communication 11035402 · issued Jul 24, 2026
Technical service bulletin
communication type
Structure
component
2024
model years
2
vehicle entries
Official summary
A “whistling” noise is heard from the centerconsole/instrument panel when using theheating and air conditioning (HVAC) system. Heard with the blower motor set tospeed 2 or above Noise goes away on high blower speed Noise is loudest with the vents on theback of the center console in the closedposition Noise is heard the most near thecharging tray (where center consolemeets instrument panel)
Vehicles covered
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.