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OpenHaldex Controller – Haldex 4Motion AWD Performance Module
Now Featuring PQ and MQB Chassis!
The OpenHaldex Controller is an opensource tunable Haldex 4Motion AWD performance module for VW and Audi vehicles, offering configurable torque behaviour and multiple drive modes. Setup and configuration are handled with the onboard WiFi, with
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Top bit of kit from an actual pioneer in the industry.
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Badger · October 8, 2026
Probably the greatest Haldex system controller around, and at a great value. I could tell a difference immediately on first use over OEM system settings when using expert mode to make a map.