BMW 3 Series 2010–2015 — technical service bulletin
Bulletin SIB-24-02-15 · NHTSA communication 10058551 · issued Jun 1, 2015
Technical service bulletin
communication type
Power Train
component
2010–2015
model years
12
vehicle entries
Official summary
Bmw: on transmission side, in some vehicles, the transmission fluid is leaking around the area of the oil cooler lines causing unfavorable cooling line connection tolerances to damage o rings. Model e84 (x1), e89 (z4), f22 & 23 (2 series), f30 & 31 (3 series), f32 & 33 (4 series), f34 (gran turismo), f36 (gran coupe). *pe
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.