$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 Additional options total: Order total: 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 M3 E90/E92 (2008-2013) Stage 1 Performance ECU Tune (S65) $799.00 Select Options Nissan 370z EcuTek Tune $1,000.00 Select Options BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 135i Stage 1+2 Performance ECU Tune (N55) $799.00 Select Options