i used piaa one 6500k a bit blue tint, now change bold sport 6000k LED one, super bright and price ok
To notice citylights, you'll need to vagcom off the DRLs, and properly install a euro switch with the trigger wire, etc. The city lights are little halogen bulbs under the xenon lenses in my case. If you got the car without the xenon option, the city lights are the inner pair of halogens.