I changed my original xenon bulbs to Osram Xenarc Night Breaker Laser : r/VWMK7
D3S: Osram Xenarc 66340 Night Breaker Laser 4200K HID B23
Amazon.com: OSRAM XENARC NIGHT BREAKER LASER D3S, Next Generation, 220% more brightness, HID xenon bulb, 66340XNN-HCB, Duo Box (2 lamps), white : Automotive