Genuine OEM BMW Ignition Coil, part number 12131247281. This component is responsible for generating the high voltage necessary to ignite the air-fuel mixture in the engine's spark plugs. It is a key part of the ignition system, ensuring proper combustion and smooth engine operation. Manufactured to precise electrical specifications for consistent performance and longevity. Genuine OEM ignition coils guarantee the correct voltage output and durability for reliable spark delivery.