BMW Rough Idle & Misfire: Ignition Coils vs Spark Plugs
If your BMW is idling rough, misfiring, or hesitating during acceleration, the most common causes are worn spark plugs or failing ignition coils. Both components are responsible for proper combustion inside the engine. When they fail, engine performance drops quickly. BMW rough idle and misfire issues are especially common on turbocharged engines like the N20, […]