BMW 750LI 2016–2019 — technical service bulletin
Bulletin B120419 · NHTSA communication 10154820 · issued Feb 1, 2018
Technical service bulletin
communication type
Electrical System
component
2016–2019
model years
7
vehicle entries
Official summary
DME FAULT MEMORY ENTRY FOR THE CRANKSHAFT SENSOR. Technicians may notice this fault logged during a diagnostic session Fault code Control module Fault Text 160021 DME Crankshaft sensor general loss of synchronism Environmental conditions are vehicle speed 0 (stationary) and engine speed less than 1500 rpm.
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.