Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 228I 2012–2017technical service bulletin

Bulletin B240215 · NHTSA communication 10146786 · issued Nov 1, 2016

Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2017
model years
40
vehicle entries

Official summary

8HP: TRANSMISSION FLUID LOSS FROM COOLER LINES CONNECTIONS. There is a transmission fluid leak in the area around the oil cooler lines (on the transmission side). CAUSE Damaged O-rings due to unfavorable cooling line connection tolerances

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.