“BMW 135i Stage 1 Performance ECU Tune (N54)” has been added to your cart. View cart $2,599.00 BMW M3 F80/F82 (2015-2016) Stage 2 575 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 M3 F80/F82 (2015-2016) Stage 2 575 Performance ECU Tune quantity — OR — Add to cart Category: M3 Tags: bmw, Dyno, ecu tune, f80, f82, m3, stage 1, stage 2, tune Description Description +185 Horsepower +260 Torque INCLUDES: Tune, Catless Downpipes, and Hi-Flow Air Filters Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63) $2,499.00 Select Options BMW 135i Stage 1 Performance ECU Tune (N54) $599.00 Select Options BMW M3 E90/E92 (2008-2013) Stage 1 Performance ECU Tune (S65) $799.00 Select Options BMW 535i (2008-2010) Stage 1 Performance ECU Tune (N54) $999.00 Select Options