BMW 740I 2025 — technical service bulletin
Bulletin B110326 · NHTSA communication 11035392 · issued Jul 16, 2026
Technical service bulletin
communication type
Engine
component
2025
model years
7
vehicle entries
Official summary
This Service Bulletin provides instructions to clean the intake valves using the BMW Carbon Blaster Tool
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.