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BMW patents strange three-cylinder pushrod engines, perhaps for cruiser motorcycle

For decades BMW's motorcycles were easily identified by the two opposed cylinders sticking out of each side of the bike. While you can still find this layout on some of its products, these days the company also uses a variety of other layouts, depending on the model line. Based on European patents, there might even be a Bimmer in the ranks eventually with an absolutely bizarre-looking W3 configuration. BMW actually has two separate patents on these W3 designs, and both of them have the goal of cramming three cylinders into the space of a traditional V-twin. The first splays the cylinder out into a fan shape with pushrods operating the valves. The description submitted to the World Intellectual Property Organization describes the solution as, "The embodiment according to the invention represents an as of yet unknown type of W-3 reciprocating piston internal combustion engine having cylinder angles which can be largely freely sized." The other solution is more of a modification to the traditional V-twin. Two of the cylinders share a crankpin, but the third has its own and is positioned inside the angle of the V. It's a very odd-looking engine. With BMW's assertion that these designs are meant to fit in place of a traditional V-twin, Jalopnik speculates that they could be for a future cruiser from the company, and that would make sense. While brand offers a line of sport tourers with the K1600 line, it doesn't have something more classic to take on the likes of the Ducati Diavel. Creating such a weird engine would probably grab early interest from riders.

BMW recalling 40k+ motorcycles to replace rear wheel flange

A problem with the rear wheels on a wide array of its motorcycles has prompted BMW and the National Highway Traffic Safety Administration to issue a recall for 43,426 vehicles. In the affected units, the mounting flange on the rear wheel is at risk of cracking if the bolts are over-tightened. If that flange cracks, "the rear wheel may not remain secured to the motorcycle," which is kind of important considering there are only two wheels on a motorcycle to start with. The recall affects certain model-year 1200 and 1300 models – including the R1200GS, R1200RT, R1200GS, R1200R, R1200S, R1200ST, K1200S, K1200R, K1200R Sport, K1200GT, K1300S, K1300R and K1300GT – as well as the HP2 Megamoto, HP2 Enduro and HP2 Sport. Owners of the affects units can expect to head from the manufacturer to arrange having the aluminum flange replaced with a steel one. Related Video: RECALL Subject : Rear Wheel Mounting Flange may Crack Report Receipt Date: MAR 11, 2015 NHTSA Campaign Number: 15V141000 Component(s): WHEELS Potential Number of Units Affected: 43,426 Manufacturer: BMW of North America, LLC SUMMARY: BMW of North America, LLC (BMW) is recalling certain model year 2005-2010 R1200GS and R1200RT, 2006-2010 R1200GS Adventure, 2007-2010 R1200R, 2007 R1200S and K1200R Sport, 2005-2007 R1200ST, 2008-2009 HP2 Megamoto, 2006 HP2 Enduro, 2008-2010 HP2 Sport, 2005-2008 K1200S, 2006-2008 K1200R, K1200GT, 2009-2011 K1300S, 2010-2011 K1300R, and 2009-2010 K1300GT motorcycles. In the affected motorcycles, the rear wheel mounting flange may crack if the rear wheel mounting bolts are over tightened. CONSEQUENCE: If the rear wheel mounting flange cracks, the mounting bolts may loosen and the rear wheel may not remain secured to the motorcycle, causing a loss of stability and increasing the risk of a crash. REMEDY: BMW will notify owners, and dealers will replace the existing aluminum rear wheel flange with a steel one, free of charge. The recall is expected to begin April 21, 2015. Owners may contact BMW customer service at 1-800-525-7417. NOTES: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. Featured Gallery BMW HP2 Sport View 13 Photos News Source: National Highway Traffic Safety AdministrationImage Credit: BMW Recalls BMW Motorcycle bmw motorrad

Reveal of next-gen BMW 7 Series set for June 10

Executive vice presidents of the world, your next sedan is debuting in just a few days. BMW is finally taking the wraps off the next-gen 7 Series on June 10, and the Bavarian brand's teaser video provides a few early hints about the high-class model. Highlighting a 750Li, the camera in the teaser swoops around the sedan to show off its laser headlights. The badge for BMW's Carbon Core also gets some of the limelight here to proclaim the extensive use of carbon-fiber-reinforced plastic. This clip doesn't give much more away, though. However, BMW has already spilled the beans about some of the other futuristic features for the new 7 Series in an earlier tease. The sedan is essentially a rolling technological showcase and offers functions like remote-controlled parking that's run from the key fob. Inside, using the infotainment system is possible with three-dimensional gesture control by waving your hand in the air in the right area. The extensive amount of CFRP in the passenger cell also helps save 287 pounds over the previous generation. If buyers are really looking for opulence, they can also reportedly order a massive, panoramic glass roof and a leather-covered engine cover. Expect a full rundown of all of the 7 Series' lavish features when the sedan debuts.