BMW 228I 2014–2021 — technical service bulletin
Bulletin B360121 · NHTSA communication 10194298 · issued Apr 1, 2021
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2014–2021
model years
60
vehicle entries
Official summary
Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.
Vehicles covered
- 2014 BMW 228I
- 2015 BMW 228I
- 2016 BMW 228I
- 2017 BMW 230I
- 2018 BMW 230I
- 2019 BMW 230I
- 2020 BMW 230I
- 2021 BMW 230I
- 2021 BMW 430I
- 2018 BMW 530E
- 2019 BMW 530E
- 2020 BMW 530E
- 2021 BMW 530E
- 2017 BMW 530I
- 2018 BMW 530I
- 2019 BMW 530I
- 2020 BMW 530I
- 2021 BMW 530I
- 2018 BMW 540D
- 2019 BMW 540D
- 2020 BMW 540D
- 2017 BMW 540I
- 2018 BMW 540I
- 2019 BMW 540I
- 2020 BMW 540I
- 2021 BMW 540I
- 2017 BMW 740E
- 2018 BMW 740E
- 2019 BMW 740E
- 2017 BMW 740I
- 2018 BMW 740I
- 2019 BMW 740I
- 2020 BMW 740I
- 2021 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
- 2021 BMW 750LI
- 2020 BMW 840I
- 2021 BMW 840I
- 2018 BMW B7 Alpina
- 2019 BMW B7 Alpina
- 2020 BMW B7 Alpina
- 2021 BMW B7 Alpina
- 2018 BMW C 400 X
- 2017 BMW F800 R
- 2021 BMW F 850 GS Adventure
- 2016 BMW M2
- 2017 BMW M2
- 2018 BMW M2
- 2019 BMW M2
- 2020 BMW M2
- 2021 BMW M2
- 2014 BMW M235I
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.