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BMW, Drives — June 25, 2015 at 7:35 am

2015 BMW M4 Convertible: Feel-It Fly


2015 BMW M4 Convertible Yas Marina Blue Metallic Atlanta featI opened the passenger-side door of the BMW M4 and flipped the front seat forward. My six-year-old daughter climbed into her booster seat in the back and buckled up, and I jumped in the driver seat and hit the starter. I glanced in the rearview mirror to see her expressionless face as she waited for me to get on the gas and pull out of the driveway. Instead, I lifted a button on the center console as the engine idled with a satisfying purr.

2015 BMW M4 Convertible M Carbon Ceramic Brakes Atlanta

The four windows lowered, and my daughter glanced around the vehicle, her brow wrinkling with interest. Suddenly, the roof separated from the top of the windshield and, within a few seconds, the black headliner gave way to clear blue skies. A giant grin stretched across my daughter’s face. “It’s a convertible!”

2015 BMW M4 Convertible Yas Marina Blue Metallic Atlanta mirror2015 BMW M4 Convertible Yas Marina Blue Metallic Atlanta top down

Even the untrained adult eye may not recognize the all-new 2015 BMW M4 Convertible as an open-top car. The roof looks surprisingly tidy when up. Only the seam that bisects it reveals its ability to fold up and stow neatly beneath a giant rear decklid. In terms of style, that’s a good thing. But a retractable hardtop has its drawbacks, too. Bluntly, it’s heavy. And when it’s lowered, the M4’s trunk becomes nearly useless.

Consider the following figures to get a feel for the heft of the hardtop. The M4 Convertible outweighs its coupe sibling by 525 lbs. The ragtop M235i, by comparison, is just 220 lbs heavier than the M235i Coupe. Then there’s the matter of the compromised cargo space in the M4 Convertible. Taking a weekend trip with your spouse? Pack light, or plan to keep the top up en route.

2015 BMW M4 Convertible 6-speed manual Yas Marina Blue Metallic Atlanta2015 BMW M4 Convertible standard navigation

Despite its weight, though, the M4 Convertible is fabulously fast. Or, to again quote my daughter, it’s “feel-it fast,” a phrase that seems to apply only to cars with 400 or so horsepower. The M4, in fact, makes 425 hp and 406 lb-ft torque from its turbocharged inline-six. Power delivery is smooth and linear up to the 7,600-RPM redline, with nary a hint of lag. In fact, the straight-six is better than the V8 in the M6, which is hardly worth the extra money when compared to the smaller, less powerful M4.

That said, the M4 Convertible is no bargain. With options like carbon ceramic brakes for $8,150, the price of the test car totaled just under 90 grand. To coin a brand new term, that’s “feel-it expensive.”

Among the many 4-Series choices, my pick is the M4 Coupe. It’s lighter and quicker, and it costs less. But for those who absolutely must feel the wind on their bald spots, the retractable hardtop version is certainly an impressive machine.

2015 BMW M4 Convertible Yas Marina Blue Metallic Atlanta tail

Quick Specs: 2015 BMW M4 Convertible

body type2-door, 4-passenger retractable hardtop
as-tested price (incl. destination charge)$88,725
engine size/configuration3.0-liter turbocharged inline-6
horsepower/torque (hp/lb-ft)425/406
transmission6-speed manual
fuelpremium unleaded gasoline
EPA city fuel economy rating (mpg)17
EPA highway fuel economy rating (mpg)26
extra-cost optionsYas Marina Blue Metallic paint ($550); Executive package ($3,500); M carbon ceramic brakes ($8,150); Adaptive M suspension ($1,000); 19-inch wheels and staggered-width tires ($1,200); Harmon Kardon audio ($875)
  • Steve Skelton

    Not sure they’ll ever figure out a way for a convertible roof to not encroach on cargo space. Great review of a sweet looking car. Glad your daughter enjoyed it.

  • AutoPalermo

    True. This one is especially intrusive, though, because it’s a hardtop. I drove the 2-Series Convertible also. It has a soft top and considerably more cargo space with the top down.