well i have a e53, so i'm not too sure if your setup is exactly same or not. But i bought a set of LED reverse lights from jlevi. Theres like i think 25 led's in each bulb, its just a replacement bulb for you reverse light bulb. Easy as swapping bulbs. Mine sets off a bulb out warning once awhile on obc, but i say only happens like once every few weeks. When i get home tonight, i'll take a pic of the reverse led's in the dark to show you how bright they light up the ground.