Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Do you routinely struggle to get your car to start? Are you ...

In this video, I’ll show you exactly how to test your BMW spark plugs, ignition coils, and coil wiring without needing a multimeter—just using the kit provided. Whether it’s a misfire, bad coil packs, ...