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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 330I 2015–2020technical service bulletin

Bulletin B660320 · NHTSA communication 10174315 · issued Apr 1, 2020

Technical service bulletin
communication type
Electrical System
component
2015–2020
model years
37
vehicle entries

Official summary

DIAGNOSTIC HINT: DRIVING ASSISTANCE SUPPORT REDUCED CHECK CONTROL MESSAGE DISP: Driving Assistance support reduced Check Control Message (CCM) is displayed sporadically. All or some of the system functions maybe inoperative.

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.