In Reply to: ERIC (& adam & roger) - The little "black box" posted by Jon on March 11, 2001 at 22:28:38:
It is the "Lampenkontrollgerät." That's what it says on it. I did not see a normal PN on it but there was a BMW roundel emblem on it and it had the number 1 375 909 on it. It also had 01022 printed in green on the back of it.
babelfish.altavista.com says there is no translation for it but if I split it up like this: "lampen kontrll gerät", it translates as, "for lamps control turns out." Whatever it means, exactly, it is for the rear lamps.
Like I said before, those black and white connectors plug into it.
The factory amp is the much larger box with one square black connector to it.