BMW X1 2024–2026 — technical service bulletin
Bulletin B280125 · NHTSA communication 11027985 · issued Jan 27, 2026
Technical service bulletin
communication type
Power Train
component
2024–2026
model years
6
vehicle entries
Official summary
SITUATION A Check Control message (CCM) displays for “Transmission oil service required” (ID 2120). This warning will typically trigger based on one of the following that applies: From 60,000 miles (~95,000 km) to 78,000 miles (~125,000 km), or After six (6) years: The “six years” time interval is determined the production date of the vehicle. It is not based on the day/date of the first registration, or the completion date of the pre-delivery check (PDI). If the vehicle is driven more than approx. 1900 miles (~3,000 km) after the first CCM, then a secondmessage will be display for “Transmissi
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.