Note. Only one sensor is needed per axle. The other wheels do not have sensors.. Brake Pad Wear Indicator (Front). BMW Mini (2006-2015). Equivalent to Part Numbers: OE: 34356773017 OE: 34356783230 OE: 34356789329. If you order before 12PM we'll dispatch same day from our UK warehouse. For guaranteed next day delivery please select this option at checkout. This product comes with free 365-day no quibble returns (UK only).