$2,499.00 BMW X5M F85/F86 (2014-2016) 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 X5M F85/F86 (2014-2016+) Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: X5M Tags: bmw, Dyno, ecu tune, f85, f86, stage 1, stage 2, tune, x5m Description Description +125 Horsepower +140 Torque Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 235i (2012+) Stage 1 Performance ECU Tune (N55) $949.00 Select Options BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63) $2,499.00 Select Options BMW 335d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 550i (2006-2010) Stage 1 Performance ECU Tune $1,099.00 Select Options