Med91 Multimap [upd] May 2026

– Optimized for high-octane fuel, WMI (Water Methanol Injection), or "Pops and Bangs". How to Switch Maps

The ECU provides feedback by flashing the Check Engine Light (MIL) or EPC light , or by moving the tachometer needle to a specific RPM to confirm the selection. Advanced Features Included med91 multimap

The beauty of the MED9.1 multimap is its integration with factory controls. You don’t need extra buttons; instead, the ECU uses existing inputs. – Optimized for high-octane fuel, WMI (Water Methanol

– Optimized for fuel efficiency or wet weather traction. – Optimized for high-octane fuel

For cars without cruise control, a common method involves holding the brake pedal and pumping the accelerator to cycle through maps.

– A standard stage 1 or stage 2 performance tune.