UK-POLOS.NET - THE VW Polo Forum

nice2seau wrote: Tue Mar 09, 2021 9:25 am The white vision are 4200k so can’t be far off. Apparently they are the whitest “legal” bulb...

You have the osram cool blue intense 4200k too.

nice2seau wrote: Wed Mar 10, 2021 1:17 pm I’ve ordered the white vision bulbs, so if I can pluck up the courage to change them I’ll let you know. I don’t like the sound of condensation in the headlights which some folks have mentioned...! Is that a problem linked to the changeover?

Given that I've had it happen after the dealership has replaced the whole unit (and therefore the bulbs) I'd say it's NOT down to any mishandling.
Unless we're all doing something wrong, but I can't see what.
Always careful to check breathers aren't being trapped etc.