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April 1, 2022 Service bulletin

The customer complains that under moderate throttle application or on deceleration after throttle...

BMW technical service bulletin B121021 for 2018-2022 BMW X3, 2019-2022 BMW 330I and 2017-2022 BMW 530I and others.

Bulletin number
B121021
Component
Exterior lighting
Summary
The customer complains that under moderate throttle application or on deceleration after throttle application, a Malfunction Indicator Lamp (MIL) is displayed in the instrument cluster.

Owners of these vehicles have filed 31 complaints in the lights category.

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