Stage 1 3-Series E46 318i — Stage 1 Performance ECU Tune v1

• Initial Stage 1 release for the BMW E46 318i with a Siemens ECU.
• A comprehensive recalibration of key maps to improve throttle response and overall drivability.
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• Package includes Original + Stage 1 binaries
• As specific ECU hardware/software numbers were not provided, please verify compatibility before flashing.
• Designed for a mechanically stock vehicle
• Intended solely for off-road or motorsport applications​