In this video, learn to test spark plugs and ignition coils for a BMW using a specialized test kit. Discover how to identify ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. This spark plug tester features an innovative dual-socket design, ...

We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs, as the name ...