Headphones in, volume up. Hear the snorting and farting of the 4.4-litre twin-turbo V8 underneath the hood of the X5 M. This particular version is the Black Fire Edition, with only 25 units coming to Canada, but it's purely aesthetic upgrades and doesn't change anything in the powertrain. Enjoy this episode of Exhaust Notes! Full video review here:    • 2018 BMW X5 M Review: When SUVs Rule ...