View cart “BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55)” has been added to your cart. $1,299.00 BMW X6M E70/E71 (2009-2013) 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 Additional options total: Order total: BMW X6M E70/E71 (2009-2013) Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: X6M Tags: bmw, Dyno, e70, e71, ecu tune, stage 1, stage 2, tune, x6m Description Description +65 Horsepower +85 Torque Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 545i (2003-2005) Stage 1 Performance ECU Tune (E60) $599.00 Select Options BMW 535d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 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