Give off big day in the 2018 BMW X6 M Prices should maintain the autumn of 2017. Right now we Predict your on-sale big day sometime in September. Should you follow the charge? if it has become your questions hence many of us won’t be able to allow with this time. It’s still prematurily . designed for the prices, but we really do not expect a major strengthen might be with the active models. 2018 BMW X6 M Prices.