We have the WeissLicht LED angel eye upgrade Version 2. I don't know if it's the brightest option on the market, but it's the brightest option we have to offer for the pre-LCI E60 models. The new BMW's have a completely different angel eye design, so it will be hard to get that same effect. Here are some photos of the lights on our project 06' E60 M5. The first picture is a side by side comparison between the older Version 1 and the new Version 2 (left of picture on passenger side).