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2015 BMW M4 Convertible is here to put wind in your sails

Each generation of the BMW M3 has included a convertible model. Even the distant E30, the patriarch of the M3 line, had an ultra-rare (only 787 were built) droptop model. The convertible became more common on the successive generations, with the hardtop-convertible E93 being the most recent. Considering this history, there seemed very little doubt that as the M3 became the M4, a convertible would be in the cards. Now, the new droptop has arrived.
Set for its global debut at the 2014 New York Auto Show, the 2015 BMW M4 Convertible features, like its forbearers, everything that's great about the hardtop variant while adding an unlimited amount of head room. That means the same 3.0-liter, 425-horsepower, 406-pound-foot, twin-turbocharged straight six sits under its domed hood, while either a six-speed stick or a seven-speed M dual-clutch transmission dispatches power to the fat rear tires.
As for specific differences between the hardtop and the new convertible, obviously, the droptop is heavier. A lot heavier. Where an M4 with a six-speed manual tips the scales at 3,530 pounds, the M4 Convertible weighs in at 4,055 pounds. Believe it or not, BMW has actually trimmed 90 pounds from the last-generation M3 convertible, code-named E93. This marginal weight reduction from the third-generation convertible to the fourth is barely half of the 174 pounds BMW was able to subtract when transitioning from M3 Coupe to M4 Coupe.

Mini Vision Next 100 Concept: It's the autonomy, stupid

The concepts that Mini and Rolls-Royce showed off today – the Vision Next 100 Concept and 103EX, respectively – are all about autonomy. The Rolls-Royce doesn't even have a place for a "driver." And even though both are very much blue sky concepts, corporate parent BMW thinks it will make fully-autonomous cars within the next five years. That's according to Peter Schwarzenbauer, Member of the Board of Management of BMW AG, MINI, BMW Motorrad, Rolls-Royce, and Aftersales BMW Group, who also told us that both cars, at least in concept, are fully electric. The Rolls-Royce has dual-drive, 250kw motors mounted fore-and aft, on front and rear axles. While the Rolls is clearly a luxury concept for the monied few, the Mini is very much focused on a shared economy. Holger Hampf, Head of User Experience, BMW Group, said the chief design challenge of a car-sharing world is producing a car that could in theory mean different things to different borrowers. You get exclusivity because each car would morph according to the borrower's desires. BMW/Mini already have a car-sharing program in London called DriveNow, and a pilot program in Seattle called ReachNow, focused on the idea of shared exclusivity. ReachNow, which allows Mini/BMW owners to lend their cars out in an AirBnB-type scheme or to borrow "fleet-style cars," are immutable – however the car that was ordered is what the borrower or the owner will get. That's great if you're the owner, but it's also challenging for both anyone who'd buy that car used or for anyone borrowing the car. And if the future of most cars is a shared model (Ford is now offering multi-person leases among up to six buyers in a pilot program in Austin, Texas), customization is impossible. The result is what Schwarzenbauer derogatorily calls "normed." He says carmakers have to relearn to brand for a world where ownership is devalued but customization is key. To that end the MINI VISION NEXT 100 is "skinned." We've seen this before with the BMW NEXT concept that was revealed at the NY Auto Show this past spring, and the idea is to use the exterior of the car as a canvass that changes according to setting. Indeed Mini envisions that in a multi-driver household, the vehicle's customization could easily include changing colors according to driver preference – automatically. Dr.

Mercedes-Maybach GLS 600 and our new long-term Acura TLX | Autoblog Podcast #661

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder. This week, they talk about the cars they've been driving, including the Mercedes-Maybach GLS 600 and Audi A4, as well as the recently departed long-term Volvo S60 T8 and the new addition to the long-term fleet, an Acura TLX. In this week's news, they talk about the Stellantis merger completion, some more thoughts about GM at CES, BMW announcing an electric M car, an upcoming electric Lincoln Corsair and the possibility of an electric-only Ford Mustang in 2028. Autoblog Podcast #661 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown What we're driving:2021 Mercedes-Maybach GLS 600 2021 Audi A4 S Line 45 TFSI Quattro 2020 Volvo S60 T8 2021 Acura TLX A-Spec News:Stellantis is a thing now More thoughts on GM at CES BMW announces electric M car is coming this year Electric Lincoln Corsair-E coming in 2026, report says The next-gen Ford Mustang reportedly going all-electric, arriving in 2028 Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: