Tuning Wiki

Identification

Bosch MD1CS104 is listed in AutoTuner: selected VAG MG1 and MD1 compatibility. This page indexes the designation within the MD1 family.

Working with this designation

Record the complete ECU identification, vehicle or equipment details, Bosch and manufacturer part numbers and hardware and software versions. Verify the exact application against its service information and tool documentation. A family or designation match alone does not establish fitment, pin assignments, interchangeability or programming support.

Sources and scope

AutoTuner: selected VAG MG1 and MD1 compatibility, toolmaker coverage information, accessed 10 November 2026. Coverage is scoped to the toolmaker's listed units and is not a complete fitment catalogue. Variant-specific pinouts and calibration details have not yet been established on this page.

Directly applicable articles

Technical articles assigned to this context will appear here.

Shared family guidance

From parent families. Broader context does not establish compatibility with this ECU or software version.