BMW 530E 2016–2018 — technical service bulletin
Bulletin B170517 · NHTSA communication 10146677 · issued Aug 1, 2017
Technical service bulletin
communication type
Power Train
component
2016–2018
model years
9
vehicle entries
Official summary
SERVICE ACTION: REPLACE THE MOUNT FOR THE TRANSMISSION OIL COOLER THERMOSTAT. There may be a rattling noise coming from the engine area at the transmission oil cooler thermostat or (on xDrive models only) the transmission oil cooler lines coming into contact with the left front output shaft. The bracket that holds the transmission oil cooler thermostat to the left front frame rail may be defective
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.