GAD Tuning Ltd GAD Tuning Bespoke Automotive software and development. ECU Remapping By GAD Tuning Europe's fastest growing automotive software development company.Articles by GAD Tuning LtdTuning 06/05/16Stage 1 BMW F80 M3 showing excellent results on a private road for testing of 0-60 times!Stock 431bhp and 550nm 0-60 4.2 secGAD 510bhp and 700nm 0-60 3.7 secTesting with @awron.gmbh gauge and very impressed! Looks like we will have to push this as aGarage 27/11/152010 Mercedes Benz C63 AMG GAD Stage 2 550bhp Mercedes C63 AMG 6.2 Litre V8 M156 engine the last of the great N/A! Full iPE manifold back decat exhaust, BMC performance filters and GAD Stage 2+ software! Vmax release and some serious flames!