First Ever BMW X3 M Prototype Spotted, Will Compete with the GLC 63 AMG

Given the success of the X5 M and X6 M, it was only a matter of time before BMW gave the M treatment to the X3. The only reason why the X4 coupe model isn’t doing the same is that this is an all-new X3 M model, built using a new platform and hopefully a new engine as well. Mercedes is giving the GLC-Class the Hammer of Thor, a 4.0-liter twin-turbo V8 with absurd levels of power. But all BMW M GmbH has right now is Hawkeye’s bow,…