This is correct. On FL cars, the inner lights are flashers only and have a row of led's for DRL.
It is not advised because the combined heat output may be too much for the unit. The C6 is known for poor light output from the Xenon projector because the reflective coating fades over time. I would suggest you get them refurbished by the likes of emtuning (site sponsor) or replace the light units themselves. Neither of these options are cheap but it is the better way forward!
Thanks for the reply. Part of my plan B is to put LEDs in the "flash" lamps, so that should keep the heat down (but may cause errors). Plan A is to replace the 12 year old xenon bulbs. I have done one today and I can see an improvement, but yet to try driving in the dark. When I change the other xenon bulb I'll see if I can inspect the reflector with a mirror or camera.
Yes, I am aware of that (on my other car I had to swap back to halogens to pass the MoT). The tester noticed that the LEDs weren't giving such a sharp cut-off when I first fitted the LEDs, but only failed it when the rules changed. That said, the light was also too white to be halogen and on a 1990 car he couldn't mistake it for HID. But 1) I doubt the rules would be applied to the main beam and 2) if I do wire the flash to come on with the main, I will make it switchable.
Well, this plan has been scuppered by the way Audi have chosen to hold the halogen bulb to the reflector. There is a clip which "bayonet mounts" to the reflector. The bulb fits into this from the front then the bulb and clip is put into place and locked by twisting. This means that an led "bulb" with a big lump on the back cannot be fitted through the clip. Also, the led I tried, which was supposedly "canbus error free" did throw up an error and did the flash ever 30 seconds thing.
I did check the reflector, and it looks shiny, but difficult to tell as the camera couldn't focus on the curved reflector.
They are a possibility for the future, but for now, I am happy that my new xenon bulbs are a significant improvement over the 12 year old originals plus I now know that I can use "flash" to get a bit extra light if I need to, and it seems that if I add a small extra force to the the flash lever I can make it stay in the flash position without holding it. An elastic band does the trick but I can't have an elastic band attached to the steering wheel!2x Car Bulb Base Holder H7 LED Headlight Adapter Retainer For Benz/Chery/Pen DS | eBay
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