Description Reviews MINI R52 Conv Trim RH 51-13-7-123-438 or LH 51-13-7-123-437. They crack over time and just look old and tired. It happens on every single car, no matter where you live. These new OEM units are an easy bolt on, in just a few minutes and will make your car look new again! Note: These are special order as needed and there will be a lead time on them.