CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Fuel injector cleaner serves an important function in ...

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 ...

BMW furthers development of its direct water injection system by fitting it to a three-cylinder 1 Series hatchback, complete with an on-board water recuperation system. Just a few months ago, BMW ...

and fuel injector problems. Fortunately, the majority of these issues can be fixed, though at a premium. According to CarEdge, BMW Z4 drivers pay around $14,592 in maintenance and repairs over the ...