if all he broke was the plastic lense for the side repeater...just replace the side repeater?...http://www.ebay.co.uk/itm/GENUINE-VW-1-9-TDI-2-0-TDI-GOLF-MK5-PASSAT-WING-MIRROR-INDICATOR-RIGHT-SIDE-RH-/110856395819?pt=UK_CarsParts_Vehicles_CarParts_SM&fits=Model%3AGolf%7CPlat_Gen%3AMK+V&hash=item19cf8e5c2b
I've got some side repeaters spare if yod like them, tenner posted?