$1,099.00 BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) 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 $1,099.00 Additional options total: $0.00 Order total: $1,099.00 BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) quantity — OR — Add to cart Category: BMW 335d Tags: 335d, bmw, Dyno, ecu tune, n57, stage 1, stage 2, tune Description Description +80 Horsepower +100 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 535d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW M5 E6x (2006-2011) Stage 1 Performance ECU Tune $599.00 Select Options