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BMW unleashes new M4 racer on DTM

We may not get to enjoy the fruits of it all, but we're in the midst of a golden age in touring car racing around the world. In Northern Europe, rival local series have amalgamated into the Scandinavian Touring Car Championship. In the UK, the British Touring Car Championship is enjoying the largest and most diverse grid in its long history. In Australia, the V8 Supercars series has grown from a Holden vs. Ford battle to include challengers from Mercedes, Nissan and Volvo. And in Germany, the DTM championship has managed to lure BMW back onto the grid to open up the battle between Mercedes and Audi. All good things, in short.
Since returning to the Deutsche Tourenwagen Masters in 2012, BMW has won the drivers' title once and the constructors' title twice, proving the Bavarian manufacturer to be not only a suitable challenger to the two-horse race between its star- and ring-emblazoned rivals, but the dominant force in German tin-top racing. Now BMW is set to enter its third season since returning to the DTM, and this is the car with which it intends to do so.
Replacing the M3 DTM that has impressively won half of the DTM races it has contested over the past two years, BMW's latest racing car is made in the mold of the new M4 coupe. Only it's even meaner. While the production version has switched to a turbo six, the DTM version still uses a V8: a 4.0-liter unit with four-valve cylinder heads, mandatory air restrictors and a Bosch ECU to channel 480 horsepower and 369 pound-feet of torque to the rear set of Hankook racing slicks through a six-speed sequential gearbox. The lightweight chassis is rounded out with competition-level aerodynamics and all the mandatory safety equipment.

BMW mulled ten, eight, and six-cylinder engines for i8 before going hybrid

There's little doubt that the 2015 BMW i8 is one of the most radical and groundbreaking performance cars this industry has seen in a long time. From its unique carbon-intensive construction to its 1.5-liter, three-cylinder and electric motor plug-in powertrain to its concept-car appearance, the flagbearer for BMW's new i venture challenges the very notion of what it takes to be a supercar.
Yet apparently the i8 almost didn't do that at all. Yes, it probably still would've had innovative assembly techniques, serious performance and come-hither bodywork, but according to a new report in the Telegraaf, it was very nearly a much more conventional beast, drawing its power from a V10 engine. According to the report, that line of development never got much beyond the drawing board, but BMW engineers then shifted their focus to both V8 and six-cylinder motivation, going so far as to build prototype cars. The higher cylinder-count engines were eventually dropped altogether after BMW decided to turn the i8 into a hybrid, with the six-cylinder reportedly nixed due to heat management and weight issues. In the end, of course, BMW went with the PHEV powertrain that offers a total system output of 362 horsepower and 420 pound-feet of torque - plenty of thrust for this lightweight, all-wheel drive coupe while still enabling an incredible 94 miles to the gallon on the EU cycle. Regardless of how it turned out, it's still fascinating to think that BMW didn't have a much firmer conceptual idea of what it was after when it started the i8's development.
Here at Autoblog, we're genuinely thrilled about this new generation of greener hybrid super- and hypercars, a movement spearheaded by the i8, Porsche 918 Spyder, Ferrari LaFerrari and McLaren P1. But even so, our inner-gearheads can't help but wonder what might have been had BMW pursued a more conventional i8, either in place of, or in addition to, the car they did build. What do you think? Have your say in Comments.

AC Schnitzer packs 400-hp, tri-turbo diesel into 1 Series

At first blush, this might look like your run-of-the-mill BMW 1 Series, maybe with a few modifications. What you're actually looking at is a monster hot hatch with 400 horsepower and 590 lb-ft of torque. From a diesel. For this year's Essen Motor Show – Germany's equivalent to SEMA – the Bimmer specialists at AC Schnitzer prepared the ACS1 5.0d concept you see here. Its selling point (if only it were for sale) is the combination of BMW's most powerful diesel engine and its smallest model. It utilizes the 3.0-liter triple-turbocharged inline-six diesel engine from the M50d versions of the 5 Series, X5, and X6 sold in Europe. That engine is normally rated at 376 hp and 545 lb-ft, which is already a ton of muscle. But Schnitzer has bumped up the output on both counts, and slotted it into a 1 Series hatchback. The result is a 0-62 time of just 4.5 seconds, leaving the M135i and M235i in a cloud of diesel soot. Of course, Schnitzer has plenty more to showcase at Essen this year, including modifications for the 3 Series, X6 M, and Mini JCW. And you can bet all the other major European tuners will be on hand at the expo to show their wares, too. But as far as outlandish creations go, this monster diesel hot hatch is what's caught our attention. Compact and incredibly powerful The 1-series by AC Schnitzer with impressive motorsport quality At first sight, you do not expect brute force from the BMW 1-series. So the performance of the compact Bavarian after the AC Schnitzer tuning experts have equipped it with the M50d power plant and impressive performance upgrade, is even more incredible. Originally designed for the 5-series, the "Diesel M-Technik" pack propels the 1-series a long way forward. The smallest BMW series now has an impressive drive concept from AC Schnitzer. After the performance upgrade, the concept engine of the ACS1 5.0d delivers 294 kW/400 hp and 800 Nm torque for generous thrust. Equipped in this way, it takes just 4.5 seconds to sprint from 0-100 km/h. The acceleration from 80-180 km/h is even more impressive: the ACS1 5.0d takes just 7.9 second for this. The smallest of the compacts, the 114i, is already impressive thanks to a power increase by 52 hp to 154 hp. The four-cylinder petrol engine of the 116i, thanks to motorsport technology, now delivers 204 hp instead of 136 hp. The same figure is also achieved by the 118i, which previously had 170 horses under the bonnet.