BMW X5 2020 — technical service bulletin
Bulletin B120320 · NHTSA communication 10174003 · issued Apr 1, 2020
Technical service bulletin
communication type
Electrical System
component
2020
model years
2
vehicle entries
Official summary
SERVICE ACTION: INSPECT AND SECURE THE ENGINE ELECTRICAL HARNESS: An improperly routed engine wiring harness may become damaged if it contacts the air conditioning (AC) compressor pulley.
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.