Condition: Brand New, High Quality. Material: Aluminum Alloy & ABS Plastic. Type: Tire Pressure Sensor. Fitment Type: Direct Replacement. Placement on Vehicle: Front Rear Left Right. For 2009 BMW 335d. For 2008 BMW 528xi. For 2010 BMW 535i GT. For 2010 BMW 550i GT. For 2006 BMW 760i. (Please refer to compatibility chart for details). To install and make these tire pressure sensor work, devices for example TPMS Sensor Tester, ATEQ or other reader or scanner is needed to read out the unique ID# of all TPMS and then upload those ID# to the computer to connect and program TPMS before installation. Please refer to your manual or ask your mechanic or auto store for help. Please check part photos, part number (OE# of your old part), part description and compatibility chart above carefully and compare them with your old part to make sure it is what you need. 4PCS x Tire Pressure Sensor as pictured.