Halogen or LED side light?

[davsato]

you can usually get matching side bulbs from the same manufacturer

[Austin]

I'd go for these myself :
http://www.ultraleds.co.uk/wide-angl...te-p-1645.html

Metal cased so should cope with the heat from the headlight bulb.

I thought that too and bought one ages ago - it was crap. Lasted about 2 weeks and didn't give enough light into the reflector to be any use at all. I should have sent it back but as it was next to useless I didn't bother.