The questions is disjointed that it is impossible to answer....you need to be clear what is wrong and what you want The car is on? Are you sure it's not just the daytime running lights?
Bulbs are replaced from rear of headlight. See answer to similar questions for how to do.
Headlight bulbs, high and low beam, parking light bulbs, signal light bulbs, brake light bulbs, dash light bulbs, interior light bulbs, plate light bulbs, etc.
There is a campaign on the brake bulbs for 2000-2003......If it hasn't been done you should get it done. The bulbs and sockets will be replaced.
Check sockets and grounds
headlight switch
The fuse may have blown. Be sure the bulbs are good.
i have tail lights but do not have brake lights nor do i have turn signals. i have replaced brake switch and all bulbs
use BMW bulbs and parts
Check the bulbs,if not the bulbs you most likely have a bad ground.
Working brake lights are important for safety reasons while driving. It is important to check all of the wiring, if the brake lights are not working and the fuses and bulbs have been checked.
check the wires at brake light switch on brake pedal they are bad about breaking brake light switch
Likely to be the brake light switch on the pedal at fault if the bulbs and fuses are good and other lights work ok.