Not sure about that but I purchased some of these which are error free as the description says
I then angled the bulbs towards the rear of the car to reduce the brightness slightly and they work really well, so perhaps something to consider if you can't find the OEM solution.
Cool I've already ordered the other ones see how they fair up. If not a5 leds it is!
I've tried the exact same leds in first link and they are not error free even though they state they are I sent them a lengthy message telling them there advertised wrong
Audi a3 2010
Check my post for leds that do work or message here
That's bizarre as both sets I've had have worked without errors. Hope you got it sorted with them.