CMI Models(1)
CMI tuning: gains, reliability and pricing
Tuning a CMI means optimising the ECU map to unlock the engine's real potential. Across the 1 CMI models listed, typical Stage 1 gains range from 15 to 30% more power and torque, with no hardware modification.
Every CMI engine comes with verified gain data (Stage 1, Stage 2, E85) and indicative pricing. Pick your model above to compare stock and tuned performance, then find a certified tuner near you.
CMI tuning: frequently asked questions
What gains can I expect from CMI tuning?
Gains depend on the model and engine, but a Stage 1 remap on a CMI typically adds 15 to 30% more power and torque while keeping factory reliability.
Is tuning a CMI reliable?
Yes, provided you use a certified tuner with suitable maps. Stage 1 stays within the CMI engine's mechanical tolerances and preserves its lifespan.
How much does CMI tuning cost?
The price varies by model, chosen stage and tuner. Check each engine for indicative pricing, then compare professionals through our directory.
Does CMI tuning work on both petrol and diesel?
Yes. Both petrol and diesel CMI engines can be remapped. Converting to E85 ethanol is also possible on many petrol engines, for extra gains.
Abarth
Agco
Alfa Romeo
Alpina
Alpine
Aprilia
Ariel
Artec
Artega
Aston Martin
Audi
Baltmotors