BMW M54B25 Tune — Custom ECU Maps

Custom ECU maps for BMW M54B25 (2.5L) for self-flashing. Tune delivered digitally after purchase.

Compatible models: E46 325i, E39 525i, E60 525i, E83 X3 2.5i, E36 Z3 2.5i, E85 Z4 2.5i.

Stages: Stage 0 (Only Options), Stage 1, Stage 2 (catless headers included). Up to 2 additional maps.

Customizable options: Catless Headers, Exhaust Burbles (Natural / Medium / Aggressive / Flames intensity), Secondary O2 Sensors Delete, Cold Start Delete.

Required for flashing: Windows computer, battery charger, quality K+DCAN cable (generics not recommended). Software and instructions included.

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