Thanks, yes I need to replace the complete left and right units. I just purchased the car so am trying to replace the numerous items that are either broken or worn out. I had one piece disintegrate in my hand. Thanks for the help. Graham I don't know if you need the P/N for the cover also: LAMP COVER P/N DGM8186LT, LAMP P/N K5622 made by OSRAM, you could by at any autopart store is approx. 1.3/16 long cylinder type with metal end jackets. Here are a couple of phone # for future parts need; Bimmer Part. Co - 1/800-274-2466, BMP 1/800-648-7278.