Program the dynamic stability control (DSC) unit
BMW technical service bulletin B340621 for 2019-2021 BMW 330I, 2021 BMW 430I and 2020-2021 BMW M340I and others.
- Bulletin number
- B340621
- Component
- Electronic stability control: automatic (ASC)
- Summary
- SERVICE ACTION: PROGRAM THE DYNAMIC STABILITY CONTROL (DSC) UNIT: Software in the DSC unit could cause a reduction of brake regeneration for the next 40 drive (key) cycles.
Owners of these vehicles have filed 14 complaints in the driver assistance category.
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