Why Do Spark Plugs Wear Out?

Engine behavior changes as spark plugs wear, with symptoms like misfires and rough idling. But what causes them to wear down ...
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Can a 152,000‑Mile M3 Still Make Power

We strapped our high-mileage E92 M3 to the dyno to find out how much power it's still making after 152,000 miles—and gave it ...

Here's What Makes Laser Iridium Spark Plugs Different From Standard Iridium Plugs

Laser Iridium spark plugs are made by NGK for OEMs. They use a combination of iridium and platinum to increase efficiency and ...