BMW 335I VR Tuned Gains 61HP 79ft/lbs to the Wheels VRTuned.com October 3, 2014 Media & Events, Product Info So what is the best BMW 335I N54 ECU flash to get? The numbers say it all right here. This customers stock 2008 N54 BMW 335I did a baseline dyno on our Mustang AWD dyno in rear wheel drive rocking 91...
