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BMW preparing new M4 GTS with water injection

Last month, BMW revealed a new safety car for the MotoGP series. Only instead of just taking one of its production models and giving it some flashing lights, special livery and emergency equipment, the Bavarian automaker used the specially equipped M4 to showcase a new water injection system. And now word has it that the tech is being worked into a new M4 GTS. The system sprays water into the combustion chamber in order to lower the temperature of the air and increase the engine's efficiency, thus allowing it to produce more power without overheating, and relying less on ambient temperatures. It does require refilling a 1.3-gallon water tank in the trunk, though. According to Car and Driver, it's that same system that BMW will be installing in the new M4 GTS, taking the place of previous M3 GTS specials. If precedent is anything to go by, the M4 GTS will also be stripped of excess weight and feature a tighter suspension, stickier tires and more, in order to make BMW's muscle coupe even more hardcore and focused for the track. We could be looking at a debut as early as Pebble Beach in August.

Even 'Ring taxi drivers need to respect the Green Hell

The Nürburgring Nordschleife has the reputation as one of the most difficult tracks in the world to master - deservedly so. With 14 miles of roadway and about 160 corners over a massive amount of elevation change, the amount of grip can change from turn to turn. As the driver of the famous BMW Ring Taxi learned this weekend after a shunt into the barricades, the 'Ring can bite unsuspecting pros just as easily as amateurs.
The video of the incident below shows the M5 oversteering right into the wall as a phalanx of Porsche models arrive behind it. According to Bridge to Gantry, a website that specializes in news about the 'Ring, the taxi's passengers were picked up by another Ring Taxi and driven off with a fantastic story to tell their friends back home. "The accident happened at low speed, there were two passengers in the car, but no one had at any injuries," said BMW spokesperson Cypselus von Frankenberg to Autoblog via email.
The crash also closed track for over an hour to clean up and to haul the stricken BMW away. When a driver making a living from driving lap after lap at the Nordschleife has a crash even as seemingly minor as this one, it just goes to show why the course has the nickname 'The Green Hell.'

Next-gen BMW M5 spied on Munich roads

BMW is still hard at work developing the next-gen M5 around the company's home base in Munich. Unfortunately, the Bavarians are keeping the super sedan plastered with camouflage, which makes picking out the details rather difficult. There are some tiny tweaks from the previous spy shots, though. Obviously, these are still early development vehicles, so it's hard to know whether these changes are in any way meaningful. Up front, this M5 still has an air intake stretching all the way across the lower portion of the bumper. The earlier shots showed this piece with a uniform width, but the designers added a little flair this time by lifting the center portion slightly for a more attractive look. Comparing the two examples in profile, the suspension has seemingly been lowered on the latest one to tuck the tires closer to the fender lips. Most parts have carried over, though, including the massive, cross-drilled brake rotors and quad exhaust tips poking out from the rear. The next M5 should have no problem backing up its mean looks, though. All indications, including earlier spy shots, suggest that the high-performance sedan will gain all-wheel drive, at least as an option, and power will be around 600 horsepower. While about the same as the current 30th anniversary edition, the future 5 Series will reportedly follow the lead of the latest 7 Series by going on a big diet thanks in part from a new, lighter platform.