Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 530E 2016–2020technical service bulletin

Bulletin B650520 · NHTSA communication 10174029 · issued Apr 1, 2020

Technical service bulletin
communication type
Forward Collision Avoidance
component
2016–2020
model years
49
vehicle entries

Official summary

FAULT 930C1E IS FOUND IN THE ACSM: Vehicle comes into the workshop with the following illuminated: Check Engine Light DSC warning lamp Air bag warning lamps During diagnosis the following fault code is found stored in the ASCM (Advanced Crash Safety Module): 930C1E internal ECU error If the fault is cleared it returns immediately. The root cause is under investigation.

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.