BMW 750LI 2016–2019 — technical service bulletin
Bulletin B170617 · NHTSA communication 10163034 · issued Jun 1, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2019
model years
5
vehicle entries
Official summary
COOLANT LEAK FROM LOW TEMPERATURE COOLING CIRCUIT (N63R) This Service Information bulletin replaces SI B17 06 17 dated February 2019.
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.