BMW M57 DDE4 Fan Calibration Studio - PWM Fan Conversion & Support

Official support and discussion thread for DDE4 Fan Calibration Studio.

The software is intended for BMW M57 DDE4 / Bosch EDC15C4 cooling conversions using a single PWM electric fan instead of the original viscous fan + front auxiliary fan arrangement.

Use this topic for:

• M57 PWM fan conversion feedback
• DDE4 / SW compatibility
• Seasonal and Custom profile questions
• 600 W fan hardware feedback
• Thermal protection settings
• ORI / TUN checksum questions
• Bug reports and feature requests

For technical issues, include the detected SW, BIN size, current fan-map information, selected profile and complete status / report details.