Tune BMW N52B25 — Custom ECU Maps

Custom ECU maps for BMW N52B25 (2.5L) for self-flashing. Tune delivered digitally after order.

Compatible models: E90 323i/325i, E60 523i, E83 X3 2.5si, E85 Z4 2.5si, E89 Z4 23i.

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

Customizable Options: Catless Headers, Exhaust Burbles (intensity + mode + duration), Hardcut Limiter, Secondary O2 Sensors Delete, Cold Start Delete, Ghost Cams.

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

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