The "Do I Really Need an M5" story continued today with the launch of the M550i xDrive. Actually, it's progressed to the point where you might consider this over any other BMW. The launch has happened ...

I was about to call this $98,000 2018 BMW M550i with Dinan's Stage 1 tune a "sleeper", but the quartet of fatty exhaust pipes and 20-inch Forgeline wheels will definitely wake you up. It's a lot more ...

Robert has been an auto enthusiast his entire life. He started working on cars at a young age, learning the basics from his father in the home garage on the weekends. Over the years, he learned as ...

The 2018 BMW M550i is sort of a quieter alternative to the hot rod M5. It's still plenty fast, just a little more low key. But what if you threw a bunch of parts and power at this thing? We might have ...

The people from Auto-Dynamics tend to keep things as simple as possible when it comes to pulling the curtain up for new products. We’ve already seen what they can do to the BMW X5 M, and their latest ...

I don't know what the point of the M550i is, because it sure as hell won't be a bargain after you install M Performance parts. But if you're looking for something fast and special-looking, this might ...