-BMW's hard-core, track-focused M4 GTS makes almost 500 horsepower in part because it features water-injection technology co-developed with Bosch. And compared to the 425 horsepower you get in the regular M4, that's a pretty big increase. Now, according to Autocar, Bosch is offering that same technology to other automakers.
Water injection works by spritzing the intake manifold with water. This lowers the temperature and reduces the likelihood of engine knock, resulting in more power. And while BMW was clearly focused on the extra horses, Bosch sees it more as a way to reduce fuel consumption, too.
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- BMW M4 GTS Driven: Water Injection Helps Give Drivers a Dry Mouth -
- Water Injection: How It Works and How It Boosts Power -
- BMW M4 Reviews, Pricing, News, Photos, and More -
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Water-injection technology isn't necessarily new. It was first used in airplanes and later found its way into race cars. Oldsmobile used it on the 1962 Jetfire, and Saab later offered it on the 1978 99 Turbo S.
-It will be interesting to see which companies decide to license the tech and how popular it may eventually become. After all, even though water-injection isn't necessarily a new concept, who wouldn't want an engine with more power and better gas mileage?
-This story originally appeared on Road & Track via CarThrottle.
-from Car and Driver BlogCar and Driver Blog http://ift.tt/nSHy27
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