BMW i3 2014–2020 — technical service bulletin
Bulletin B650720 · NHTSA communication 10174030 · issued Apr 1, 2020
Technical service bulletin
communication type
Equipment
component
2014–2020
model years
13
vehicle entries
Official summary
VEHICLE SOUND GENERATOR IS DIFFERENT AND LOUDER AFTER PROGRAMMING: Vehicles sound is different and louder after programming to an Integration level (I-level) between I001-1911-500 and I001-19-11-556. Software in the Vehicle Sound Generator (VSG).
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.