Description: The brake pad sensor will automatically remind you when the brake pads wear out and need to be replaced to ensure safe and effective braking performance. This is a brand new product, meet the professional specification as replacement parts, for stable performance and durability. Wear sensors made of high temperature resistant materials that quickly report warning messages. This is a non-OEM product, accessory only! Specification: Color: Black Material: Metal, Rubber Condition: Brand New Use position: Front, Rear Part Number: 34353411756, 34353411757, 34 35 3 411 756, 34 35 3 411 757. Other Part Number: 5S8441, 084-1542, PWS128, 5S8441, 5S11542, 084-1589, PWS127, 5S11542 Size (Rear) : 114.1x1.7cm / 44.92"x0.67"(L*W) Size (Front): 82.2x1.7cm / 32.36"x0.67"(L*W) Fitment:for BMW X3 E83 2004 2005 2006 2007 2008 2009 2010Package Included:2 x Rear Front Brake Pads Sensor