Engine Knock Sensor M3/M6/CX-7 06-13Premium Knock Sensor | OEM L807-18-921/1S7A-12A699-BB

Engine knock sensor designed for M3, M6, and CX-7 vehicles manufactured between 2006-2013. This critical engine component monitors combustion knock/detonation events to prevent engine damage. Features precision-engineered design for optimal performance and durability. - Monitors engine knock/detonation events - Ensures optimal engine performance - Prevents engine damage from excessive knock - Compatible with BMW M3/M6 and Mazda CX-7