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BMW reveals M4 safety car with innovating water injection system [w/video]

Racing series don't just pick their safety cars at random, or use just whatever car is lying around. These days the car that sets the pace at the front of the pack is typically provided through consideration by a sponsor. In the MotoGP series, that's BMW and its M division, which have served up the Official Car of MotoGP since 1999. What you're looking at is the latest, and it packs some innovative technology on board. Aside from the matte black wrap with BMW's iconic striped livery, upgraded aero kit, retrofitted interior and emergency equipment, this BMW M4 coupe packs a new injection system under the hood. Only instead of injecting fuel, it injects water into the combustion chamber – something that wouldn't usually be recommended, but BMW insists actually aids in the combustion process. The idea is that the temperature of the air being mixed with the fuel inside the engine is usually hotter than ideal, so the system injects a fine mist of water into the collector in order to reduce the air's temperature... sort of like one of those hydrating misters at an amusement park or outdoor mall, but in an even hotter environment. The system brings the temperature of the air down to a more optimal temperature, helping it combust better. The process is said to yield a number of positive effects. For one, it reduces knocking. For another, it can make more out of lower-octane fuel where higher octane isn't available. It also can control the adverse effects of higher ambient temperature on the combustion process. But most of all, it increases output and reduce fuel consumption by around eight percent. Whether that eight percent is worth the added weight of the system – particularly with water pump and a 1.3-gallon tank in the trunk – is up for debate. But we'd imagine that the Bavarian engineers have weighed very carefully. Of course there's also the matter of refilling the water tank, which BMW says would be carried out whenever the safety car is refueled, but in real-world conditions would only necessitate attention once every five top-ups at the gas station. By now you might have guessed that BMW probably didn't develop this system just for the MotoGP safety car, and isn't planning on keeping it confined to the racetrack. Instead it's being tested and demonstrated on the safety car before being rolled out on production models in the future.

Permanent erection lawsuit against BMW thrown out

The California man who claimed that he suffered from a 20-month erection after a four-hour ride on his BMW K1100RS motorcycle (similar model pictured above) has had his case dismissed. It seems the court found his claims too hard to believe.
Henry Wolf filed a product liability lawsuit against BMW and seatmaker Corbin-Pacific in the California Superior Court in April 2012 after he claimed a motorcycle ride in September 2010 caused a long-term case of priapism from the "ridge-like" saddle design. He asked for compensation for lost wages, medical expenses and emotional distress from both companies.
Nearly two years later, according to Visor Down, Judge James J. McBride decided that the case didn't have enough supporting evidence. A urologist testified that the plaintiff had priapism, but the court rejected the testimony of a neurologist who claimed the motorcycle's vibration caused the disorder. The defendants presented testimony from the bike's former and subsequent owners. Corbin-Pacific CEO Mike Corbin also spoke in the company's defense.

2015 BMW Alpina B6 xDrive Gran Coupe priced from $118,225* [w/poll]

If you're in the market for a high-performance BMW and you live in Europe, you've typically had two range of options at your disposal: you could go for one of BMW's own M models, or turn to Alpina. Though technically independent of BMW, Alpina is about as close to the manufacturer as a tuner can get, and many of its models are offered through BMW's own dealer network.
That's overseas, but in the North American market, BMW has typically taken a different approach, offering just one Alpina model - the B7 - to fill in for a lack of M7 performance sedan. That all changes, however, with the debut of the BMW Alpina B6 xDrive Gran Coupe.
Slotting in alongside the M6 Gran Coupe, the Alpina B6 xDrive Gran Coupe is marginally more expensive and slightly less powerful, but makes up for those relative (and negligible) shortcomings in spades. Both are based on the 6 Series Gran Coupe and both pack a 4.4-liter twin-turbo V8, but with key differences. Where the M6 produces 560 horsepower, the Alpina offers 'only' 540. But where the M6 channels 500 pound-feet of torque to the rear wheels through a seven-speed dual-clutch transmission, the Alpina drives 540 lb-ft to all four wheels through an eight-speed automatic.