“BMW 135i Stage 1+2 Performance ECU Tune (N55)” has been added to your cart. View cart $2,199.00 Note: Stage 2 is available and is for a catless application BMW 750i (2018+) 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 $2,199.00 Additional options total: $0.00 Order total: $2,199.00 BMW 750i (2018+) Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: BMW 750i Tags: 750i, bmw, Dyno, ecu tune, stage 1, stage 2, tune Description Description +65 Horsepower +75 Torque Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW M3 F80/F82 (2015-2016) Stage 2 575 Performance ECU Tune $2,599.00 Select Options BMW 428i Stage 1 Performance ECU Tune (N20) $999.00 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