Med91 Multimap New! May 2026

– Ideal for valet parking, inspections, or daily commuting.

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

A standard ECU carries one set of instructions for how the engine should behave. A multimap patch modifies the ECU’s code to store multiple sets of maps simultaneously. This allows drivers to instantly toggle between different "profiles" depending on the fuel available, weather conditions, or desired power level. med91 multimap

– A standard stage 1 or stage 2 performance tune.

– Optimized for fuel efficiency or wet weather traction. – Ideal for valet parking, inspections, or daily commuting

– 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 A multimap patch modifies the ECU’s code to

A setup—also known as map switching—is one of the most powerful upgrades you can add to these vehicles. It allows you to switch between multiple performance calibrations (tunes) on the fly without needing to plug in a laptop or flash tool. What is MED9.1 Multimap?