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BMW M3, M4 let loose on the 'Ring

We just posted our first drive of the 2014 BMW 435i yesterday, but for those wanting even more power from this stylish coupe, help is on the way. From the sounds of it, BMW will be showing off a production-ready concept previewing the M4 next month at the Pebble Beach Concours d'Elegance, but until then, we have some new spy shots of the performance coupe being tested at the Nürburgring, along with its four-door counterpart, the M3.
Despite all the camouflage, it doesn't take much imagination to picture what both cars will look like, since we can clearly see the more aggressive front fascia and beefier brake setup. One interesting element we see on both cars is a double bubble roof that is almost certainly made from carbon fiber. Based on our report earlier, both the M4 Coupe and M3 Sedan are expected to debut at the 2014 Detroit Auto Show.

BMW considering M7 and luxurious 9 Series

BMW just recently rolled out its new flagship 7 Series sedan. It didn't take long for it to introduce not one, but two performance versions as well. But what we've seen until now could only be the start as the Bavarian automaker looks to close the gap between the 7 and the Rolls-Royce Ghost. What you're looking at above appears to be a prototype testing components for a potentially forthcoming M7 – which is something that BMW has never offered before. It's packing what look like enormous, cross-drilled brakes – just the kind of thing an M-fettled 7 would need to keep its mass and momentum in check. It was seen running around with an M5 and X6 M, suggesting that it's the performance division that's playing around with this big sedan for the first time. An M7 would have to pack some serious punch, considering what's already on offer. Both the Alpina B7 (4.4-liter V8) and M760Li (6.6-liter V12) each offer 600 twin-turbocharged horsepower and 590 pound-feet of torque driving to all four wheels, capable of hitting 60 mph in the threes. The full M version, then, might need a good 650 hp or more, which would put it out in front of everything else – including the Audi S8 Plus (605 hp) and Mercedes-AMG S65 (621 hp). Even with all that performance and clout, however, the M7 might still not be enough for BMW to close that $200k gap to the bottom of the Rolls-Royce range. That's why it could roll out an even more luxurious and completely separate model, potentially called the 9 Series. The new uber-luxe sedan would take on the Mercedes-Maybach S600 that's proven particularly popular in China, where Automotive News notes that Benz sells half of all the S-Class models it makes. Since they're mostly chauffeur-driven through crowded streets, upscale customers there care less about BMW's traditional focus on handling dynamics and more about comfort. And with the government cracking down on corruption, they've also reportedly been eschewing overt symbols of wealth – like the Spirit of Ecstasy hood ornament, for example. We could expect the 9 Series, then, to offer even more rear-seat legroom than the 7, and be more oriented towards comfort than performance. Related Video:

BMW 4 Series spied with its future competition

BMW showed off its new 4 Series coupe in concept form at the 2013 Detroit Auto Show earlier this year, but it won't be long before we see the production model, evidenced by this modestly camouflaged prototype spotted testing. In case you forgot, the 4 Series serves as the replacement for the two-door versions of the BMW 3 Series, just as the upcoming 2 Series will effectively be the new version of the 1 Series coupe and convertible sold in our market.
This isn't our first glimpse of the 4 Series out testing, and we've even spied its droptop, Gran Coupe and too-hot M4 kin. We don't expect the final design to stray too much from the concept car seen in Detroit, albeit without the normal conceptual goodies like oversized wheels and with the overstyled front fascia toned down a bit. Our spy photographers even caught the 4 Series coupe hanging out with an Audi A5, giving us a good glimpse at how the two cars will stack up in terms of size and design.
It's still unknown exactly what engines will power the car when it comes to production, but since this thing is a derivative of the 3 Series, we expect the usual range of turbocharged four- and six-cylinder engines to be available, likely in 428i ad 435i guise (though, to be fair, the larger 640i coupe uses a 3.0-liter turbo engine, so there's even the potential for 440i nomenclature to work its way into the mix). We'll have to wait until the car officially bows later this year to know for sure.