BMW 330E 2016–2021 — technical service bulletin
Bulletin B661519 · NHTSA communication 10179823 · issued Aug 1, 2020
Technical service bulletin
communication type
Lane Departure
component
2016–2021
model years
41
vehicle entries
Official summary
LANE DEPARTURE WARNING - STEERING INTERVENTION TOO STRONG: The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually overridden at any time. Software error in the KAFAS (camera-based driver assistance system) control unit.
Vehicles covered
- 2021 BMW 330E
- 2019 BMW 330I
- 2020 BMW 330I
- 2017 BMW 740E
- 2018 BMW 740E
- 2019 BMW 740E
- 2017 BMW 740I
- 2018 BMW 740I
- 2019 BMW 740I
- 2020 BMW 740I
- 2016 BMW 740LI
- 2017 BMW 740LI
- 2020 BMW 745E
- 2018 BMW 750I
- 2019 BMW 750I
- 2016 BMW 750LI
- 2017 BMW 750LI
- 2018 BMW 750LI
- 2019 BMW 750LI
- 2020 BMW 840I
- 2018 BMW B7 Alpina
- 2019 BMW B7 Alpina
- 2020 BMW B7 Alpina
- 2020 BMW M340I
- 2017 BMW M760I
- 2018 BMW M760I
- 2019 BMW M760I
- 2020 BMW M760I
- 2020 BMW M8
- 2019 BMW M850I
- 2020 BMW M850I
- 2019 BMW M850XI
- 2020 BMW M8 Gran Coupe
- 2019 BMW X5
- 2020 BMW X5
- 2020 BMW X6
- 2020 BMW X6 M
- 2019 BMW X7
- 2020 BMW X7
- 2019 BMW Z4
- 2020 BMW Z4
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.