The customer may hear an intermittent “humming” or “foghorn” type sound in vehicle
BMW technical service bulletin B640125 for 2024 BMW X3, 2023 BMW Z4 and 2024 BMW 330I and others.
- Bulletin number
- B640125
- Component
- Unknown or other
- Summary
- The customer may hear an intermittent “humming” or “foghorn” type sound in vehicle. It sounds like a lowhum that last for only a few seconds. This can occur with the engine operating or may be heard for up to one hour after engine shut down.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used BMW X3?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history