Description: High quality elastomer copper A perfect replacement Bulit in correct length Direct fits for OE 34356789439/34356762252(Front), 34356789445/34356762253(Rear) Fits both LH (Driver Side) and RH (Passenger Side) Specification: Material: Elastomer Copper Size: Approx. 109.5x1.7x1.7cm/43x0.7x0.7inch Purpose: Monitoring Brake Pad Wear Alarm Device Fitting Position: Front/Rear Wheel It fits for: E81 2006-2012 E90 2005-2011 E91 2005-2012 Package Includes: 2 Pieces Brake Sensor Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) This is just for reference, please check and confirm the OE. Please remember to wear protective gear when handling and/or installing any auto part