exchanging

Hi, Really sorry to ask without searching forum first but can you just swap over the original professional radio from a 2014 1 series for a professional sat nav unit ? Can I just change the screen to a bigger screen, the CD radio box to the Sat Nav hard drive CD box , and the Idrive with extra...

Hi Am think of exchanging my exhaust with a fellow member on the forum. I have a question about undoing of the exhaust. On mine there seems to be no flange to undo after the cat's, will it need taken off in front of the cats as that is the only flange i can see which can be undo? After the...