BMW 750LI 2016–2018 — technical service bulletin
Bulletin B110318 · NHTSA communication 10138374 · issued Apr 1, 2018
Technical service bulletin
communication type
Engine
component
2016–2018
model years
4
vehicle entries
Official summary
N63R ENGINE: ENGINE OIL LEAK DIAGNOSIS AT TURBOCHARGER: An engine oil leak is found on the ground under the vehicle when parked.
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.