BMW 330E 2014–2017 — technical service bulletin
Bulletin B640816 · NHTSA communication 10151271 · issued Apr 1, 2016
Technical service bulletin
communication type
Equipment
component
2014–2017
model years
10
vehicle entries
Official summary
Reduced or No HVAC Heat Output. I12 & F30 PHEV - The heat is not functioning during electric driving and/or the heat output is reduced or fluctuating when driving with the combustion engine. I01 - The heat is not functioning at all. The issue can occur sporadically for all vehicles and will not have any associated fault codes. IHKA software with I-Level: I01, I12I001-15-11-504 F30 PHEV F020-15-11-505
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.