07 335i battery change
Hubby and I are working on replaced the battery in his 335i using the DIY. Great job of explaining the process. While I was out getting the new battery he was doing the di-assemble. We are wondering about a black bus with one wire coming out of it. He didn't see it on dis-assemble and has no idea where it came from. We have stopped installation and am looking for ideas as to what the h..l it is.
Last edited by Alice B; 01-23-2013 at 09:14 AM.