宝马雪铁龙通用点火线圈0221504470/12137594937，高能点火直接换

Is your vehicle experiencing rough idle, weak acceleration, rising fuel consumption, or engine misfires? This usually indicates aging ignition coils resulting in insufficient ignition energy or misfires. The ignition coil converts low voltage to high voltage to ignite the air-fuel mixture. Fits OEM numbers 0221504470/12137594937 for various 4-cylinder engines in BMW, Citroën, and others. Ensure to disconnect the battery negative and confirm tight contact between coil and spark plug to avoid secondary faults.