The BMW M4 is a perfectly lovely machine. In stock form, its 3.0-liter, six-cylinder, twin-turboed engine makes 425 horsepower and 406 foot-pounds of torque. With a base MSRP of $62,400, that's a ton ...

The early reports on how much power the S55 engine on the new M3 and M4 models stunned us. We knew that usually BMW underrates its engines by today’s standards but still, the difference noticed on ...

A couple of days ago we were telling you about a BMW M4 that puts down (at the wheels) 700 HP. In that case, the engine needed new turbos, a new tune, exhaust and a lot of added parts to be able to ...

The BMW M2 may already be the best BMW they sell right now, but Dinan's took it and made it even better... on the track, anyway. The S2 M2 gets a bigger turbo, a full Dinan suspension and even a few ...

BMW’s souped-up “M” cars are focused pieces of machinery that enhance every aspect of the original donor vehicle’s dynamics—from engine and suspension to chassis and brakes. But for drivers who are ...

A high-revving, sweet-sounding V-8 is a marvelous thing, and BMW's 4.0-liter V-8 in the M3 is a prime example. The tuners at Dinan, however, weren't satisfied with the factory-supplied 414 horsepower ...

Hyperbole is the hallmark of advertising, and the automotive industry is no exception. Take, for example, BMW’s tagline “the Ultimate Driving Machine.” The familiar phrase seems fundamentally outdated ...

"We’re working with all the same sensors, we’re doing all the same stuff, but it’s intercepting the signal as opposed to basically replacing the map from the factory ECU," said a Dinan spokesman. I ...

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 ...

Few vehicles are as universally revered in the sports sedan sector as the E39 BMW M5. Many enthusiasts believe that this German beauty represents a master class in balancing performance and everyday ...

It's even freakier if you're willing to fiddle with your new super-bruiser. Established companies like Dinan will cheerfully turn an already capable car into fire-spitting lunatic. The sesquipedalian ...

From the July 1993 issue of Car and Driver. BMW enjoys a strong following in this country, even though the company has sometime reserved its best and most interesting products for the European market.