BMW 550I 2010–2021 — technical service bulletin

Bulletin B651312 · NHTSA communication 10204660 · issued Sep 1, 2021

Technical service bulletin

communication type

Equipment

component

2010–2021

model years

vehicle entries

Official summary

The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 3 (HU-H3, also called MGU) superseded the NBT-EVO starting with certain MY2019 vehicles with option code 6U3 Live Cockpit Professional or 6U2 Live Cockpit Plus. This uses map North America LIVE. The ENTRY Media/Navigation (HU-B) is the low line busi

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.