some of you may of seen me dotted around the forum as a trader and I did LED interior kits for the C5 and C6 RS6, I have been working with car lighting now for 3 years but I don't just buy in and sell, I like to get my hands dirty and work out solutions for different types of cars, I am all over the audi sport forum if you wanted to see some more posts about the kits.
Here is the RS246 interior LED kit threads ones that where started:
C6 - http://forum.rs246.com/viewtopic.php?f=47&t=100098
C5 - http://forum.rs246.com/viewtopic.php?f= ... terior+led
B7 pics - http://forum.rs246.com/viewtopic.php?f= ... ED#p592845
This thread I have started as I have seen a lot of members want LED DRL's but cant get rid of an error, it cant be coded out either like some Audi's I have worked on.
I tried a few different things even going down the route of a resistor which gets upto 100 degrees hot, not good in terms of mounting.
I asked my supplier who I have used for 3 years now what he had for a 1156 - P21W bulb, all he cam back to me with was a canceller so I tried this, it worked in a 56 RS4 without an error but it would not fit through the gap in the light and hold in place due to the different holders to the OEM ones, after some modding I got it to fit in securely.
so here it it

The kit above is £35 posted, that's for a 9w CREE LED bulb in 5000k colour to match the xenon's, and a pair of cancellers modded to fit the headlight.
If you Have LED's already in your car and just want to buy the modded cancellers then they are £17 posed to the UK or NI. can post anywhere in the world as long as shipping is paid for.
There are 3 members on this forum that has had them for over a month or two now and they have had no problems as of yet.
i only have a few pairs until delivery this month tho.!
Any questions then please ask.
Trups
EM Tuning Lighting.