Dinan Cold Air Intake - 2000-2003 BMW M5 E39. This carbon-fiber Dinan intake replaces the factory air boxes with twin high-flow filters and large-diameter intake plumbing. The filters are relocated behind the front bumper and below the headlights to isolate the intake from under-hood heat and draw cooler outside air. Features: • Carbon-fiber intake system • Twin high-flow filters • Large-diameter intake plumbing • Filters relocated outside the engine compartment • Reported gains up to +5 HP and +4 lb-ft of torque • Approximate labor time: 7 hours Part Number: D760-0390D