Ridex 407W0061 brake pad wear sensor for BMW X3 F25 and X4 F26, front axle left position. Disc brake wear indicator with 955 mm cable length, designed to warn the driver when brake pads reach minimum thickness. Direct OEM-equivalent replacement for BMW part numbers 34356790303 and 6790303. Lightweight at 0.039 kg, supplied new in RIDEX quality — AUTODOC's in-house OEM-spec aftermarket line manufactured in IATF 16949 certified factories.