BMW X5 2015–2016 — technical service bulletin
Bulletin B330315 · NHTSA communication 10147822 · issued Nov 1, 2015
Technical service bulletin
communication type
Power Train
component
2015–2016
model years
2
vehicle entries
Official summary
Leaking Rear Differential (QMVH). There is an oil leak from the rear differential housing. The liquid-type sealer used between the main differential housing and the outer superimposing gear units has failed.
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.