BMW X3M & X4M review on road and track - see how quick the next M3's engine is to 60mph!

Mat’s been in America test-driving the BMW X3M & X4M! These all new SUVs are M editions of the family-friend X3 & X4, with the aim of bringing more competition to the Alfa Stelvio QV & Mercedes GLC 63! There’s no doubting the performance under the engine, but don’t expect either to come cheap… the X3M starts from around £74,000!! But do you think they’re worthy of that price tag? Join Mat for his

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