Genuine OEM Audi Ignition Coil, part number 06E905115G. This vital electrical component is responsible for transforming low battery voltage into the high voltage necessary to create a spark at the spark plug, initiating combustion in the engine. Each coil typically serves one spark plug, ensuring precise timing and energy delivery. As a genuine OEM part, it guarantees exact electrical specifications, insulation integrity, and resistance to heat and vibration, ensuring consistent spark delivery and optimal engine performance and fuel efficiency.