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BMW makes the M4 extra special with a huge wing

BMW has all of the bases covered in its lineup, especially when it comes to its 4 Series models. Don't like going to the track? There's the BMW 430i and 440i, which are available as a coupe and gran coupe. Drivers looking for a track-friendly car that can also be used on the road will be steered toward the M4. BMW even built the hardcore M4 GTS for drivers that spend all of their time on a track. Now, it looks like BMW is trying to bridge the gap between the M4 and the M4 GTS with a special-edition model. Our photographers caught BMW testing an M4 with some extreme aerodynamic components around the Nurburgring. With its aggressive front end, massive wing, and sporty rear diffuser, the prototype M4 appears to be similar to the special-edition M4 Competition Sport that BMW released in Spain. The Spain-only special edition was marketed as a softer version of the M4 GTS with less power and usable rear seats. With a similar look and visible rear seats, this prototype indicates a similar track-focused special edition model. Since the M4 is only a few years old, it's unlikely that BMW is testing a new model, but the automaker could be testing aerodynamic components for a refreshed model down the road. A cheaper, more usable M4 GTS, though, would be the perfect car to round out BMW's current lineup. Related Video:

What it's like to drive Bentley's Continental GT3 racecar

I'm gliding across the back roads of Napa in a Bentley Flying Spur V8 S, and all is right with the world. Two and a half tons of metal, leather, and hubris provide insulation, while the audio system's eleven speakers smother me with the syrupy sounds of Katy Perry as the landscape floats past. My guilty pleasure is mine alone, because this bank vault on wheels is practically soundproof. But I'll soon be harnessed into a fearsome hellion that would terrify all but the edgiest of Bentley owners. I'm headed to Sonoma Raceway to drive the 2,800-pound, 600-plus-horsepower Bentley Continental GT3 racecar. Goodbye swankiness, hello madness. Bentley probably isn't the first brand you associate with racing, but the Flying B's competition highlights include Le Mans wins in 1924, 1927, 1928, 1929, 1930, and, most recently, a top finish at the fabled endurance event with the brand's 2003 return. The 1-2 victory in '03 came in the wildly engineered LMGTP prototype class; it wasn't until a more relatable, Continental GT-based car was campaigned eight years later that Bentley unlocked the full potential of its rich history. "Motorsports is essentially a business tool," Bentley race boss Brian Gush told Autoblog at the GT3's race debut three years ago, reinforcing the industry's familiar "race on Sunday, sell on Monday" mantra. But let's also tip a hat to the intangible: There's something undeniably cool about watching a beefed-up version of your daily driver battling it out on a world-class track, especially when that car is a fat-cat luxury coupe that seems better suited to the boulevard than the race circuit. After swapping blue jeans for a Nomex jumpsuit, I watch as the GT3 emerges from the transporter, and the sight is downright intimidating. It's wide and low, with an impossibly big wing. There's another source of intimidation: While a small group of journalists has sampled Bentley's media car, I'm about to get behind the wheel of a privateer-owned car. No pressure. "Ever met the owner?" a Bentley rep asks, referring to Team Absolute's Adderly Fong. "He's a big guy, mean, with a really short temper," he quips, which is essentially shorthand for "don't wreck his car." I crack a tentative smile, acknowledging the not-so-veiled message. Bentley test driver Butch Leitzinger gives me the lowdown on this particular GT3, which happens to be coming fresh off a top-ten finish at the weekend's Pirelli World Cup Challenge.

Porsche to develop new line of engines for next Panamera

When the second generation of the four-door Porsche Panamera launches, it will likely be riding a new platform, complete with an all-new family of V6 and V8 engines, according to a report coming out of the UK.
Autocar reports that the so-called MSB platform will likely underpin the Panamera, and it could be shared with Bentley, provided the Volkswagen-owned, British-built brand commits to the architecture. As for the engines, it's reported that they'll have a sportier character than the V6s and V8s being built for Volkswagen and Audi's vehicles.
"Porsche will have its own new V8 that will be common to the new MSB platform," Porsche's chief engineer, Wolfgang Hatz, said. "It's a family for the next 10 years of cars." Whether the V8 and V6 will be used outside of the Panamera line, though, remains unclear. There's also no mention of what place turbocharging would have with the new engines.