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BMW intros Concept M4 GTS ahead of Pebble Beach debut

Meet the BMW Concept M4 GTS. Coming to this weekend's Pebble Beach Concours d'Elegance, the new high-performance coupe gets both performance and aesthetic upgrades as it previews a higher-performance version of BMW's two-door darling. The headlining item is the new water-injection system. As previously reported, the setup draws from a 1.3-gallon water tank and was pioneered by the M4 Safety Car used in the MotoGP series. The new system injects water directly into the plenums of the intake manifold, where it is vaporized. The result is a lower compression temperature in the combustion chamber, which according to BMW means more horsepower and torque. You can get a broader explanation in the attached press release. Beyond the water-injection system, the M4 GTS will get OLED taillights. Their function sounds very German – "producing full-surface and homogenous illumination" – but we simply prefer the impact they've had on the look of the rear lights. It's markedly different than anything else in the BMW suite. There is a mix of aesthetic and performance upgrades to the normal M4 exterior, too. BMW has fitted manually adjustable aerodynamic aids, with a new chin splitter and a prominent rear spoiler. Both items are, unsurprisingly, made from exposed carbon fiber. BMW also turned to composites for the hood, opting for carbon-fiber-reinforced plastic. We're particularly fond of the M4 GTS' wheels. They're absolutely stunning staggered hoops, with 19-inchers in front and 20s in back. The 666M style, as BMW calls them, feature Acid Orange accents that really play well with the Frozen Dark Grey paint (although they clash quite badly with the yellow calipers on the carbon-ceramic brakes). Stay tuned for more on the new Concept M4 GTS, including live images from its debut in sunny California. Until then, scroll down for the official press release from BMW. Related Video: BMW Concept M4 GTS to be Premiered During Monterey Car Week. The First M3/ M4 Special Production Car to be Sold in the US. Woodcliff Lake, N.J. – EMBARGO: August 13, 2015 – 9:00pm EDT/6:00pm PDT...A year on from the launch of the BMW M4 Coupe, BMW M GmbH is presenting an initial preview of a high-performance model for use on the road and on the race track: the BMW Concept M4 GTS – the first M3/M4 special production vehicle to be sold in the US. The BMW M GmbH was founded in 1972 as BMW Motorsport GmbH and caused a sensation with its iconic BMW M1 racing car.

McLaren shoehorned the F1's V12 into a BMW M5 wagon test mule

Automakers are known to utilize preexisting vehicles as test beds for major research and development purposes. But some of the zombie mashups produced in-house can result in pretty interesting combinations. Case in point, when McLaren was developing its BMW-sourced naturally-aspirated 6.1-liter V12 for the legendary F1, the company put the engine in … a BMW M5 wagon? Yup, you read that correctly. ItÂ’s no mystery that the legendary F1 came with a BMW-sourced V12. That "M70" V12 originated from its placement in the E32 7 Series and E31 8 Series “50” models in the 1980s up through the 1990s. The version that went into the F1, however, is more closely related to the M-tuned "S70" V12 found in the E31 850CSI, which was the pseudo M-variant to the 8 Series that wasnÂ’t officially designated an M model. But it did feature full-fledged tuning from the M Division. On "Top Gear" presenter Chris HarrisÂ’ podcast, "Collecting Cars", Harris interviewed David Clark, the former director of McLarenÂ’s cars for both the road and motorsports between 1994 and 1998. Clark revealed that they took an E34 BMW M5 wagon and shoehorned the S70 V12 into its engine bay as the mule for testing the F1Â’s engine. Clark even said he drove the car himself as they were fine-tuning the V12Â’s engine output. YouÂ’re probably wondering, how the heck did that thing fit? But it isnÂ’t that surprising. The E34 5-Series was designed to house either the BMWÂ’s venerable straight-six or the new-at-the-time V8. And there was room enough to house the V12 as well, particularly since BMWÂ’s V12 was essentially two of its “M20” straight-sixes bolted together at the crank in a vee. When Clark was testing the S70 V12 in the wagon, he and his team ended up with the 627 horsepower and 479 pound-feet of torque the F1 became known for. ThatÂ’s nearly twice the power the production M5's 311 hp and 266 lb-ft at the time. Clark also divulged that the actual prototype mule still exists, but itÂ’s in BMWÂ’s secret collection of prototypes, and itÂ’s never been revealed to the public. He does, however, hope that one day, BMW will open its doors and show off the incredible mashup of an automobile. Until then, youÂ’ll have to rely on the few custom engine swaps done by owners to get a taste of what a V12-powered E34 M5 is like. Rumor also has it that McLaren could be working on a new direct F1 successor with help once again from Gordon Murray.

BMW halts delivery of several M cars for rear differential problem

BMW issued a stop-delivery order on 202 cars this week. The affected vehicles include the M2, M3, M4, M5, and 5 and 6 Series models. They were produced between May 12 and July 4, 2016. According to a service bulletin by BMW, which was published on Bimmerpost, the affected vehicles will need a new rear differential. The bulletin doesn't state what's wrong with the rear differentials, and a BMW spokesman did not have immediate comment on the issue. BMW will update the bulletin with more details on warranty information and repair instructions as they become available. Owners can contact BMW to find out if they're affected. BMW has issued several recalls this year. Just last month, the automaker recalled more than 200,000 SUVs for lower child-seat anchor bars, as well as potential damage and failure to the universal join on the front driveshaft. In February, BMW recalled 840,000 vehicles to replace faulty Takata airbags, while 6,110 units of the 2016 7 Series were added to the same recall in April. Related Video: News Source: BimmerpostImage Credit: BMW Recalls BMW Coupe Performance Sedan bmw m4 bmw m2 service bulletin