Hella Pagid 355250861 Disc Brake Pad Wear Sensor. Fits what vehicles: 2007-2010 BMW X5, 2008-2010 BMW X6, 2013 BMW X5. Disc Brake Pad Wear Sensor. Location: RearDisc Brake Pad Wear Sensor. Occasionally, there may be an issue with your item or your order and we will do our best to ensure you are 100% satisfied.