Wunderlich - Radiator Protection Grille Extreme for BMW R 1200 R LCOnrushing air stream, the result being that anything carried by this stream finds its way into the cooler. Stones, insects and grime fill up the delicate fins of the cooler and cannot be removed without extensive labour, and usually the cooler fins bend and never look the same after. Finely meshed stainless steel grills as used by us protect the cooler, ensure that the cooling properties remain effective and are easy to clean, after cleaning the mesh