The package arrived and after unpacking a lot to me immediately a not yet seen staining the filament on. The package was appealing as one might expect from a product of the premium class. After I installed the H7-bulbs in my Volvo V60 BJ2013, I could not let the same to take a test drive at night there. To my mind the being lit environment is a little kotrastreicher than other halogen bulbs, as well as the road marking can be seen more clearly in the rain compared. One can not expect miracles now though, it is still a significant difference to current Xenon headlights to see how I'm going in the current 3 Series, but its commitment to standards are the halogen lamps in the above points very far forward.
The advertised brightness is certainly the most interesting subject, so the light source is bright and has a relatively white color temperature, similar to the BVU 4K. Next light? I would say, please do not expect miracles, but not exactly the areas right in front of the car, especially so from the central beam range, as is clearly the strength of the Night Breaker Unlimited to find, these areas are significantly better illuminated than other bulbs , If you look to the right at the edge of the road where other bulbs also likes to falter, even as I find a very good illumination. The illumination range I would compare almost identical to the BVU 4K and other premium bulbs.
For durability, I can not say much, but even Osram indicates that is to be expected due to the technical conditions of this bulb is a much shorter lifetime than for example with longlife bulbs, which, however, is not surprising if you look at the key figures times by reads.
My conclusion: an absolute buy recommendation, for my taste, the current best bulbs with approval on the market, if you can do without a little life, but even then is not to say that there is a real weakness there.