BMW 328I 2013–2016 — technical service bulletin
Bulletin B512715 · NHTSA communication 10147252 · issued Sep 1, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2016
model years
8
vehicle entries
Official summary
"Under certain conditions, the additional radiator could not be cooled sufficiently. This could cause the engine to overheat. The engine power would be reduced and a Check Control Message would appear. AFFECTED VEHICLES This Delivery Stop involves F34 (3 Series Gran Turismo) produced from July 13, 2015 to July 18, 2015. Vehicles which require this Delivery Stop to be completed will show it as ""Open"" when checked either in AIR, the ""Service Menu"" of DCSnet (Dealer Communication System) or with the Key Reader."
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.