2011 BMW X5 M Sport 30d X-Drive, Engine is knocking I suspect it's the bottom end that is knocking. Besides the engine issue the car is mint, it's in great condition, has a good spec and extensive history. Full Service History (12 Stamps) MOT till 02/07/2026 V5 Present 108k Miles 3 Owners 2 Keys Parking Sensors, Heated Seats, Idrive, Navigation, Memory Seats, Climate Control, Start Stop, Will make an incredible car once the engine is sorted.