Ehhh, on every E39 light i've seen it's just a matter of releasing the 5 brittle plastic clips and the lens pops right off. I'd be careful with them, you WILL break the top and bottom ones.
(as of 11/18/11)
2004 Volvo S60R - The new ride!
1998 540i 6-spd. - Sold!
2000 528iA sport - Mom's ride, 308k!!!! and still drives like new
2005 Dodge Ram 2500 Cummins - 145k, 800lb/ft. John Coal Train.
2001 Volvo C70 Coupe T5 - The wife's car, 170k. Needs a timing belt soon