Originally Posted by beejay
Hi There, thanks for that Info, I went to my local BMW dealer and was told that You could
replace the business radio with the MOST professional radio because none of the on board computer functions would operate on the radio (dealer said no fibre optics installed) my car is the same spec as yours, how easy is it to change the radio ?and where in the car did you fit your 6CD Changer?
any assistance appreciated
Replacing the radio is really simple. First, detach the negative connector from the battery.
I used two old credit cards as "special tools" while removing trims around the radio. I think you'll find more detailed instructions easily from the internet. If you can't find any, please let me know, I'll take some photos about the process then. The radio itself is attached by two screws only.
I noticed that I needed to turn the connector cable 180 degrees (carefully) as the connector in pro radio was other way around than in business radio.
After you've installed the radio physically, just attach the negative connector to the battery again and turn the radio on.
If you need to change for instance the location information, remove the key and shut down the radio. Then insert the key and turn on radio. Press and hold the 'm' button until the service menu appears. Now you can change the location to europe (or what ever you need).
However, you should note that the pro radio should come from the car having same options than your's. It doesn't have to be from 1-series but options should be same. I mean that if the radio comes from the car having L7 sound system, the radio assumes that output is digital. If so, you need to take it to the dealer for reprogramming. In my case, the options were luckily the same. Althoug I still need to get my car to dealer to program my cd-changer.
Now about the cd-changer. It is located on the left side of the trunk, I bought the cd-changer retrofit-kit which had installation brackets and all the required cabling. I also bought the new cover for the left side trunk. Trickiest part was connecting the cd-changer to the radio and to fuse box.
You do need to connect the most cable to the radio to that big connector using parts in the retrofit kit. Then you need to get most cable some how to the trunk, I put it under the covers on the left side of the car. Most difficult (time consuming) is to connect the positive wire of the cd-changer to the fuse box. I had to remove for instance the glove box, detach the screws from the fuse box and attach the cd wire to the correct place by using mirror (as I did not want remove the fuse box completely). So if you are not sure what you are doing, I recommed you to take your car to the dealer.