ECU FAMILY
ME7 — ch Motronic ME7
Definition
The legacy port-injection gasoline ECU family used 1998-2012 on VAG 1.8T (Audi A4 / S3 / Golf GTI 4), BMW M52/M54, Mercedes M111, Opel ECOTEC. K-Line + later CAN. Simple outer CRC + adaptation page sum.
Why workshops care
The original chip-tuning ECU. Audi 1.8T tuning (Stage 1 220→260 HP, Stage 2 280-320 HP with intake/downpipe/intercooler) all targets ME7.5. Massive community knowledge base.