Cummins BHU ECFG files — 2 versions for ISB / ISL Euro VI (Eukon), CM2350 tuning definitions

Every Cummins BHU ECFG we hold: 2 software versions from 37.50.70.3 to 37.50.70.7 on CM2350 — ISB / ISL Euro VI (Eukon), Medium duty on-highway. Each version has its own page with the full header (module, build ID, interface level, boot loader range, parameter count).