View cart “BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55)” has been added to your cart. $2,499.00 BMW M5 F10/F13 (2012-2016) 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 Additional options total: Order total: BMW M5 F10/F13 (2012-2016) Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: M5 Tags: bmw, Dyno, ecu tune, f10, f13, m5, stage 1, stage 2, tune Description Description +220 Horsepower +295 Torque Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 428i Stage 1 Performance ECU Tune (N20) $999.00 Select Options BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 535i (2011-2016) Stage 1 Performance ECU Tune (N55) $999.00 Select Options