There are other options for headlight upgrades, you can get LED bulbs which give a brighter, whiter light than halogens.
I replaced the halogen bulbs on my A4 with LED bulbs, the car did not have washers and it passed it's MOT twice with them fitted whilst I owned the car. You would need to check that the car does not do cold diagnosis on these bulbs first though, if it does then you would risk other cars thinking you are flashing them to let them out or something, could be dangerous.
Unless diagnose it with computer, it means to test led bulbs first before installing it permanently.
As been said, led bulbs tend to hyperflash if nit oem/designed to be in the car. This can cause problems on the road as other drivers might think you let them in or other and suddenly get in front of you causing collision.
I've install leds in front fogs, rear indicators, reverse and number plate lights. All hyper flash as on board computer test them every 30 second or so.
I look like disco on the road. Lol