Need to replace a worn-out brake sensor on your BMW? This TRW GIC341 is a warning contact that lets your car know when your brake pads are getting thin. It's a direct replacement part designed to be compatible with various BMW 1 Series and 3 Series models (like the 116d, 118d, 320d, etc., from around 2010-2011). Always double-check the compatibility for your specific vehicle's year and model using the parts finder – it's super important! The sensor length is 1045mm, and it's an original ATE mounting type part. Equivalent to OEM part numbers like BMW 34 35 6 792 292. Replacing a faulty sensor is a key part of maintenance to ensure your brake warning light works correctly and you're alerted before the pads are completely worn. A quality TRW part that helps keep your BMW's braking system in check. Please consult a professional mechanic if you're unsure about installation.