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April 1, 2020 Service bulletin

MIL may be illuminated by erroneous fault in the dme

BMW technical service bulletin B610320 for 2017-2020 BMW 530I, 2016-2019 BMW 750LI and 2017-2020 BMW 540I and others.

Bulletin number
B610320
Component
Exterior lighting
Summary
MIL MAY BE ILLUMINATED BY ERRONEOUS FAULT IN THE DME: The customer states that the malfunction indicator lamp (MIL) is illuminated. During diagnosis fault code 231507 "BDC RESET by watchdog" stored in the DME. CAUSE Software error in the Body Domain Control (BDC) unit.

Owners of these vehicles have filed 8 complaints in the lights category.

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