“BMW 535i (2008-2010) Stage 1 Performance ECU Tune (N54)” has been added to your cart. View cart $499.00 BMW 328i E90/E92 Stage 1 Performance ECU Tune (N52) 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 $499.00 Additional options total: $0.00 Order total: $499.00 BMW 328i E90/E92 Stage 1 Performance ECU Tune (N52) quantity — OR — Add to cart Category: BMW 328i Tags: 328i, bmw, Dyno, e90, e92, ecu tune, n52, stage 1, stage 2, tune Description Description +30 Horsepower +25 Torque Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 535i (2011-2016) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 535i (2008-2010) Stage 1 Performance ECU Tune (N54) $999.00 Select Options BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 545i (2003-2005) Stage 1 Performance ECU Tune (E60) $599.00 Select Options