Have installed the bulbs + parking lights on my Golf 4 and had previously the Philips X-treme Vision. Compared to which the luminance and width rather poor and blueness of the light can be no question; it is rather a white pieces, but not significantly much. Can not vegleichen with standard bulbs, the bulbs, since I previously the X-treme Vision had it and who continue lit by a few meters as this. The product tempted to expect more than it actually complies. Who wants blue light should first replace the parking light bulbs by Blue and see if it has sufficient because they account for a large part of the image. Compared to the X-treme Vision Philips not recommended ...