BMW 640I 2012–2013 — technical service bulletin
Bulletin 620413 · NHTSA communication 10149450 · issued Feb 1, 2013
Technical service bulletin
communication type
Electrical System
component
2012–2013
model years
5
vehicle entries
Official summary
Head-Up Display: M View Defaults to Standard View. INFORMATION Do not replace any parts. Since this is part of the Head-Up Display concept change, it is normal operation after programming the vehicle with ISTA/P 2.47.1 or higher. ??From integration level: F010-12-07-531 or higher Note: It is not possible to change the functionality of the Head-Up Display to how it performed before the software update.
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.