I don't think I'm alone here. My LED number plate bulbs started throwing up errors a handful of times a month...then once a week...then more frequently until they gave in completely. I bought a set of "CANBUS bulbs", which work directly off the car's battery, but not when fitted to the housings. I investigated further today by removing the tailgate trim, followed by the tailgate handle/number plate bulb assembly. It's in two parts - there is a bridge piece which slots into the back of the handle. When you remove it, it is nothing but a lightweight plastic moulding which houses the tailgate handle switch, and the two pairs of terminals that form the "roof" of the number plate bulb holders, as viewed from the number plate recess when fitted to the car. Sure enough, both terminal housings have melted and cracked, so I'm not surprised none of my bulbs worked. As expected, Audi don't sell the very simple bridge piece individually, you have to buy the whole assembly, including the main body and tailgate handle etc, at a cost of £58! I then rang our friend Dave at Stoke Audi, who is sorting it out for me at £53. Better, but still one hell of a price to pay just for the sake of LED bulbs generating too much heat. I'll be more than a little dubious about trying my CANBUS bulbs in the new housing I just don't want the crappy standard yellow bulbs! Sorry to go over the ASN sore point of LED bulbs in a new thread, but hopefully by documenting it in this way, others suffering endless bulb failures will know their probably culprit. Pics: The assembly with the bridge piece removed from its slots: One of the melted and cracked bulb housings: Part number for the tailgate handle/switch and bulb housing assembly: Bloody LED bulbs!