BMW X6M ECU Flash – 80 Horsepower Gain! VRTuned.com October 7, 2017 Product Info, Tuning Tech The BMW X6M is the baddest grocery getter to ever live. With 555 horsepower, the twin turbo 4.4L V8 was the predecessor for what was to come with the incredible BMW F10 M5. This may look like a hatched SUV, but it is totally different than your average X6. The VR Tuned ECU flash is ...
