BMW 320I 2011–2013 — technical service bulletin
Bulletin 620313 · NHTSA communication 10149308 · issued Jan 1, 2013
Technical service bulletin
communication type
Electrical System
component
2011–2013
model years
9
vehicle entries
Official summary
Basic Instrument Cluster: Display Is Intermittently Inoperative. The display in the basic instrument cluster is intermittently inoperative. The following fault codes are stored in the instrument cluster: * B7F6B4 "Instrument cluster: Error in the display unit when switching off (NO SIGNAL)" and/or * B7F6AA "Display switch-off error when starting up" Software error in the instrument cluster
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.