Not sure what you are asking as the replacements for a number plate light unit is an OE unit... there are LED bulb options available (see the FAQs for the LED kit details) but if the unit is f00ked then replacing it with an OE unit is the only option
Part numbers here
http://www.audi-sport.net/xf/threads/my-minor-modding-thread.76389/page-87#post-2923373
<tuffty/>
Ive just bought some LED repacements......but when I came to fit, the connector is the wrong size, even though they stated its a 'plug and play' fit.
I asked the question as for refund but they said you can do a simple mod to make them fit - but I haven't done it yet. They cost around £13
Can somebody help & clarify the size / length of the screws for the light housing?
Thanks chaps
Joe