Genuine OEM BMW Ignition Module Wiring Harness, part number 12517852144. This wiring harness is responsible for connecting the ignition module to the vehicle's electrical system, ensuring reliable power and signal transmission for proper ignition function. It is part of the engine's ignition system. The part weighs 0.291 kg. Genuine OEM wiring harnesses are manufactured with specific connectors, wire gauges, and routing to ensure a secure and reliable connection, critical for the ignition system's performance.