ive switched out every bulb in my bug for LEDs except obviously the main headlights and i didnt worrry bout charge and oil as theres alot of extra work involved in that but all the others are LED now
main reason i did it was the coloured bulbs totally ruined the effect of my clear indicator and elephants feet lenses but my electrical system is working 100x better now without the load of normal bulbs
eventually ill put a HID kit in
