BMW 320I 2012–2015 — technical service bulletin
Bulletin 620214 · NHTSA communication 10148373 · issued Aug 1, 2014
Technical service bulletin
communication type
Electrical System
component
2012–2015
model years
20
vehicle entries
Official summary
Head-Up Display Inoperative. The Head-up Display is inoperative. Fault code 0xB7F6E3 - HUD: Communication error (HUD does not answer) is stored in the Instrument Cluster (KOMB25). A software error in the instrument cluster prevents the Head-up Display from activating.
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.