Unknown part
I recently puchresed a 1991 BMW 318 IS and im suspecting it is a 1.4 or a 1.8L DOCH not positive But above my fuse box there is a hub(Little Black box)that looks like it hold a two prong relay or other device all i know is that my car wont start without it and i am unaware of what the part is all repaair manuals iv purchresed are unspecified.