The FSC stored in your donor CIC enables things like voice, apps, navigation for a specific VIN. When you do the swap, your CIC will see the VIN on canbus is different from CIC and all those features will be grayed out. This is why you need an emulator/can filter. Also, you should get one with RFK emulator so you can continue to use your rear camera. If you don't you will need to swap out your camera and RFK module for the newer camera, run the retrofit wiring to new camera module and from there to CIC.

For map updates, make sure you know your donor VIN, or have the 1b file from CIC. You can get the 1b using an swidreader, but you have to wire enet pin outs to obd plug which pre-lci cars do not come with. This 1b file is used to generate the VIN specific FSC enabling code for the new maps. You will need to wire the USB to glove box when you do the CIC retrofit to be able to load new maps.

As for coding, its simple, change date in FA, and code CIC. You need to use a date for which the X5s came with the CIC. Once you get the daten files, there is a file called daten in the root, open that file in wordpad, you will see all the option keywords for retrofitting/coding.

Otherwise, I will tell you to read the coding forums, don't wan't to get into it here. You will need a K+DCAN cable and a copy of the daten files and bmw standard tools 2.12 and learn how to use them (tool32, ncxexpert, winkfp and inpa)

. You will probably want to do a combox retrofit as well so you can get bluetooth audio, album art, bmw apps/connected and the ability to pair and use two bluetooth phones at the same time.

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