It means the base map files come from a recognised tuning data supplier who tests on representative vehicles — not random downloads from forums.
Tuners throw the phrase around — here's what it should actually mean if it's used honestly.
Why not just download a free map? — Free forum maps have unknown origins and no support. Suppliers' files are tested and backed by data.
Does supplier-verified mean dealer-approved? — No — manufacturers don't approve remaps. It means the tuning data source is reputable.
Bob's Mechanical Repairs — independent family-run garage in Birnam, Dunkeld, Perthshire. Call 01350 727 276 or email [email protected].