BMW 550I 2011 — technical service bulletin
Bulletin 620114 · NHTSA communication 10147924 · issued Mar 1, 2014
Technical service bulletin
communication type
Electrical System
component
2011
model years
1
vehicle entries
Official summary
M Vehicles with Head-Up Display: M View Display Is Incomplete. Since the vehicle was programmed with ISTA/P 2.50.2 or higher (F10/F12/F13 - New integration level: F010-1307-504 or higher), the M view in the Head-up Display (HUD) is not completely displayed. * The lower part of the gear indicator number is not displayed. * Sporadically the current speed information (mph) is not completely displayed. Application error between the lane departure warning control unit and the head-up display through software update with ISAT/P 2.50.2 or higher
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.