BMW 530I 2016–2017 — technical service bulletin
Bulletin B170217 · NHTSA communication 10146575 · issued Mar 1, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2017
model years
6
vehicle entries
Official summary
"?CHECK CONTROL (CC) MESSAGE:""COOLANT LEVEL TOO LOW!"" IS DISPLAYED . CC message: ""Coolant level too low!"" appears in the display. The cooling system wasn't efficiently bled during the factory fill."
Vehicles covered
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.