TheJamMod, its just a bulb mate, straight swap and takes less then 5 minutes. 50W Cree LED 7440 in Pure White: -
http://www.horizonleds.co.uk/cree-leds/wedge-cree-leds/T20-7440-3156-cree/t20-7440-50w-cree-led
dejv, as above buddy, and for the sidelights you need T10/501/W5W, as below: -...