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BMW M4 Convertible poised for Goodwood unveil

It shouldn't be a shock that BMW is working on a convertible version of the M4. Not only have we caught it testing twice, but this is an automaker that seems willing to build a vehicle for nearly every buyer's needs. Evo claims that the high-performance droptop is going to debut at this year's Goodwood Festival of Speed in England from June 26-29.
Judging from the spy shots we've seen, the M4 Convertible will consist of a retractable hard top like the 4 Series cabrio. Other than the roof, there aren't expected to be many changes from the coupe. The engine will be the same turbocharged, 3.0-liter inline six-cylinder engine, but the added weight of the roof and its mechanism may take a small bite out of performance.
We spoke to BMW USA about the rumor and were told that it has no comment at this time. After the M4 Convertible, Evo claims that BMW is working on a M4 Gran Coupe. How that would be all that different from an M3, isn't exactly clear.

BMW invests in carbon fiber for use beyond i and M models

The immense amount of resources BMW has poured into its i brand program hasn't stopped, and recent developments indicate it's likely to pay off for BMW and BMW buyers outside the i brand. The i8 has already sold out its first year run, the i3 racked up 10,000 orders before it even went on sale and is already the subject of public discussion about being stretched into an i5, and a new investment in carbon fiber production has the automaker talking about CFRP use in non-i and non-M models.
BMW and SGL Group got together to form SGL Automotive Carbon Fibers (ACF), and the joint venture produces all of the CFRP for the i3 and i8 on two production lines at its plant in Moses Lake, Washington. After already investing $100 million to increase capacity, BMW has announced that another $200 million will add four more production lines, tripling production from 3,000 tons per year to 9,000 tons. When the expansion is complete in 2015, BMW says the Moses Lake facility will be the world's largest carbon fiber plant.
That's a lot of weave and the long view is that it will find its way into core models, with BMW exec Dr. Klaus Draeger saying, "As part of an intelligent mix of materials, we will apply carbon also beyond our BMW i and BMW M models in the future," and be able to do so "at competitive costs and in large quantities."

BMW X4 M40i spotted testing in Germany

The stream of segment-busting BMW variants is showing no signs of letting up, and with the latest addition now upon us, questions have been circulating as to whether the Bavarian automaker would do an M version of the new X4 crossover. The jury may still be out on that proposition, but the latest intel suggests that, while a full-on X4 M may not be in the cards, a next-best-thing X4 M40i is in the works. And that appears to be what we're looking at in this fresh batch of spy shots.
Spotted for the first time undergoing testing in Germany, this X4 is tipped to be the next addition to the M Performance line that's already given us near-boiling models like the M135i and M235i on the one hand and the diesel-powered M550d, X5 M50d and X6 M50d on the other. Power in this case is tipped to come from the same 3.0-liter turbo six as the upcoming M2, producing between 360 and 380 horsepower.
Unlike the current top-of-that-specific-line X4 35i, which has two tailpipes on one side, this partially-camouflaged prototype has one pipe protruding from each corner of the rear bumper, but looks like it could easily accommodate twin pipes on both sides. Expect commensurate suspension, brake, rolling stock, aero and trim upgrades to come as part of the package, though they likely won't be quite as substantial as those applied to the X5 M and X6 M.