In this video, I show you how to test spark plugs and coils on any car, even if the spark plugs are recessed or hard to reach. Whether you're troubleshooting engine misfires, poor performance ...

Why are we performing a spark plug test? Spark plugs are cheap ... And if it’s a lack of spark, it can be due to a bad plug, coil, ignition module, distributor, or spark plug wire.

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 ...