【Vehicle Fitment】Compatible with 5 Series E39 520-540 M5 2.0L-4.9L 2001-2003, 5 Series E60 520-550 M5 2.0L-5.0L 2001-2010, 5 Series Touring E39 520-540 2.0L-4.4L 2001-2004, 5 Series Touring E61 520-550 M5 2.0L-5.0L 2004-2010, X3 E83 2.0L-3.0L 2003-2008, X3 E83 xDrive20-xDrive35 2.0L-3.0L 2008-2011, X5 E53 2.9L-4.8L 2000-2006 【Reference Number】684-042, 66206989069, 66216911838, 66216938739(4PCS, FB) 【Installation Position】Front/Rear 【Technical Info.】Height [mm]: Approx. 27; Width [mm]: Approx. 30.5; Length [mm]: Approx. 62.5; Voltage [V]: Approx. 12 【Technical Info.】Number of Pins: 3-Pin; Sensor Type: ultrasonic Sensor; Operating mode: Electrical