hey guys im new to this sight and dont no wat im doing yet so any help would be great.. i have a 2001 bmw 325ci and my cd stacker stuffed up. so im looking at changing the original deck to the later model 325. the one with the cd in the deck instead of the tape . the question is would it fit and work properly like the other deck so i can still use my steeing wheel to change songs and turn the volume up and stuff. please any help??