Interior LED guide for e82
I found this bulb and installation instruction PDF from ECS Tuning to be invaluable. It is for BMW 1-series E82 without the 'premium bulb' pack.
Alpine White/Anthracite 123d M Sport Pack, 2010. Yokohama ADVAN Sport 225/255 NonRFT
“A turbo: exhaust gases go into the turbocharger and spin it, witchcraft happens and you go faster.” J Clarkson ... and to think I have two such beasties!