“BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63)” has been added to your cart. View cart $1,499.00 Mercedes G55 2012+ Stage 1 Performance ECU Tune Want to add even more Horsepower? Upgrade to Stage 2 ECU Tune. (Catless Application) Adds an approx. 30-40 additional Horsepower! Check the box below: Upgrade to Stage 2 + $399.00 Product price $1,499.00 Additional options total: $0.00 Order total: $1,499.00 Mercedes G55 2012+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: G55 Tags: benz, bi turbo, Dyno, ecu tune, g55, mercedes, stage 1, tune, turbo Description Description +TBD Horsepower +TBD Torque Performance ECU Tune for the Mercedes G55 2012+ Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 428i Stage 1 Performance ECU Tune (N20) $999.00 Select Options BMW 135i Stage 1+2 Performance ECU Tune (N55) $799.00 Select Options BMW 335d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options