View cart “BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55)” has been added to your cart. $4,399.00 McLaren 540C 2015+ 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: McLaren 540C 2015+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: McLaren 540C Tags: 540c, Dyno, ecu tune, mclaren, stage 1, stage 2, tune Description Description +80 Horsepower +100 Torque Performance ECU Tune for the McLaren 540C 2015+ Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products Nissan 370z EcuTek Tune $1,000.00 Select Options BMW 545i (2003-2005) Stage 1 Performance ECU Tune (E60) $599.00 Select Options BMW 335i (2007-2011) Stage 1 Performance ECU Tune (N54) $599.00 Select Options BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options