In case you own a BMW E60 M5, you already know that every 37,000 miles (60,000 km) you have to change your spark plugs. It's not so often, but if you really love your car, you'll do this operation ...

I know what we buy is getting more and more expensive. ($8 for a box of cereal?!) But almost a thousand dollars to change out spark plugs? As I began to dig into this Dallas man’s story, it felt like ...

Like rotating tires or changing oil, replacing spark plugs is a job that can be easily, and inexpensively, done in the confines of your own home. Although they don’t need maintenance as often as the ...