There are no "non-adaptive" xenon lights on the F10. So the answer to the OP is "yes", he will have adaptive xenons. This means the additional cornering lights (inner beams), as well as the swiveling headlights themselves, reacting to steering inputs. This has nothing to do with beam spread control. BMW-CCA. Here are the best of all of them just in time to replace yours right now. Best Overall. Sylvania H11 XtraVision High Performance Halogen Headlight Bulb. SEE IT. Summary. Sized to fit plenty of Xenon bulbs can last up to 10 years, making for good piece of mind.• Brightness. As high intensity discharge would suggest, xenon lights are brighter than there halogen counterparts. These can cause a hot spot on the glass, which can cause the bulb to fail within minutes. What are Xenon HID Headlights? HID (which stands for High Intensity Discharge) light bulbs are filled with xenon gas, and there is no filament; instead, a spark is created inside the HID bulb between two electrodes. Slapping a HID bulb in a reflector-type headlight housing meant for a halogen bulb makes for a bright but uncontrolled light (and possibly a ticket from the highway patrol). LED lights last longer and use less power than HIDs, giving them an edge that goes beyond peripheral lighting performance. I know there are a lot of non-Xenon projectors, for I had them in my BMW, but I don't know if all Xenon headlights came out factory as projectors. I didn't know Xenon conversion kits were illegal in most states. I thought it was just the 10K and 12K colors, since they are too dark. All Xenons on the Z4 are the bixenon variety, but the pre-facelift used halogen bulbs as "flash to pass" bulbs, the facelift cars simply use the xenon bulb for this purpose too. It is possible to fit HID kits to the halogen lights, if the right car is there but missing Xenons, assuming you have headlight washers I forsee no issues. A xenon HID lamp wears out faster when it gets turned on and off frequently, and not because of how long it is used. Thus, the life of a xenon HID lamp can be extended by not a turning it on if it has just been turned off. Xenon gas-filled headlights. A xenon gas-filled bulb is simply a halogen bulb that contains xenon instead of halogen. It is boCEI.