BMW 330E 2019–2021 — technical service bulletin
Bulletin B320620 · NHTSA communication 10186217 · issued Dec 1, 2020
Technical service bulletin
communication type
Steering
component
2019–2021
model years
6
vehicle entries
Official summary
REPLACE THE STEERING GEAR: If the power supply to the steering gear is lost and the steering angle is greater than 15 degrees, a fault can occur in the steering system. This can lead to various fault memory entries and Check Control Messages (CCM) in the entire vehicle network.
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.