im planning to get the hella taillights but i need to know where is the best place to get them. how is the installation? any leak? pls help me on this one. also im going to buy from lakeshore the 18" m-pars. r they good quality?.
im looking for any advised regarding this 2 upgrades. thanks in advanced.

For the installation of the tail lights you have to drill and dremel some of the sheet metal of your car. It's a lot easier than you think, however. Read more about it here:

http://www.bmwtips.com/tipsntricks/tips_pages/2001%20rear%20lamp%20conversion%20completed%201.ht m

Expect to pay somewhere around $350 for the tails.