BMW M4 ECU Tuning & Dyno
Stunning BMW M4 running our PE Stage 1 ECU Tune
Completely stock M4 with just our PE Tune
Dyno Stock - 420bhp/378whp & 563nm
PE Stage 1 - 512bhp/460whp & 700nm
Delta gains of 92bhp/83whp & 137nm with 99ron fuel
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