BMW says that during less enthusiastic driving, the system can also help reduce emissions and improve fuel economy by approximately 8 percent. And it will work without the water if the tank runs dry, the engine simply adjusting itself to run at a …
BMW says that during less enthusiastic driving, the system can also help reduce emissions and improve fuel economy by approximately 8 percent. And it will work without the water if the tank runs dry, the engine simply adjusting itself to run at a …
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