Genuine OEM Audi Ignition Coil, part number 07K905715G. This ignition coil is a critical component of the engine's ignition system, responsible for transforming low battery voltage into the high voltage required to create a spark at the spark plugs. A properly functioning ignition coil ensures efficient combustion and smooth engine operation. Genuine OEM coils are engineered to deliver precise voltage and current, ensuring optimal spark performance and durability.