2001 Bmw X5 4.4i Sport Utility 4-door 4.4l on 2040-cars

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BMW already considering four cylinders for next M3

The cylinder count in BMW's M3 has fluctuated over the years. The original M3 debuted in 1985 packing a 2.3-liter inline-four, but subsequent models went with sixes until the outgoing generation upped the cylinder count to eight. With its latest model, BMW has dropped back to six cylinders with a pair of turbos taking the place of the extra pistons. But the next M3 sedan and M4 coupe could go back to the model line's roots with a four-cylinder engine.
Speaking with BMW M product manager Carsten Pries at the launch of the latest M3 and M4 in Portugal, our Aussie compatriots at Motoring.com.au report that "you could see a future [M3] powered by a four-cylinder engine." Offsetting the reduction in cylinders, the lighter engine would benefit the vehicle's weight and balance, thus enhancing performance.
We wouldn't expect the next M3 and M4 to lose any power in the process, though: Output in the M3 has only risen over the generations, from 192 horsepower in the four-pot original to 282 hp in the six-cylinder E36, 338 hp in the six-cylinder E46, 414 hp in the V8 E90 and 425 ponies in the new turbocharged six-cylinder F80 model. With that latter model having just debuted, it'll likely be a good six or seven years before the next version comes along, giving BMW plenty of time to settle on an engine - however many cylinders and turbochargers it has. In the meantime, you'll have to forgive us for taking a romp down M3 memory lane in the fresh gallery of images above.

BMW M4 spied in coupe and convertible form

From the sound of it, we'll have to wait until the Detroit Auto Show to see the production version of the BMW M4, but spy shots show the new hi-po BMW testing recently in both coupe and convertible form. Showing a lot more skin than recent spy shots, these M4 prototypes look very similar to the M4 Concept we saw at Pebble Beach.
Carryovers from the concept car include the funky mirrors, bulging hood and the slotted front fascia vents, but the rear fascia seems to be missing the added flair of the concept and, as expected, the carbon fiber front splitter and exhaust tips are also missing from these M4s. Like the current M3 Convertible, the drop-top version of the M4 will utilize a retractable hard top.

BMW 7 Series could get M variant alongside Alpina B7

BMW is launching the new 7 Series with a limited engine lineup, but according to Car and Driver, there are more powerful versions on the way – including a potential M Performance model. The new 7 Series is initially being offered with a 320-horsepower turbo six and a 445-hp twin-turbo V8. European customers will also be able to spec a 261-hp diesel or a 320-hp hybrid. There's an M Sport package available as well with enhanced visual cues, but that won't be the extent of the performance choices when all is said and done. Expect a new 760i that will pack BMW's twin-turbo V12, and a new Alpina B7 to feature a more powerful twin-turbo V8 with around 600 horsepower. In parallel to the Alpina, however, C/D reports that an M Performance model could finally be in the works, which would ostensibly offer BMW the opportunity to go after the likes of the Audi S8, Jaguar XJR, and Mercedes S63 AMG, without changing tacks too drastically over the resolute position it's taken in the past against creating a full-on M7. C/D reports that there are more powerful diesels joining the lineup in the future, but those aren't likely to make their way to US showrooms anytime soon.