BMW Navigation Update Data 2023, the latest DVD set of 3 discs. For CIC systems. Operation confirmed. The update procedure is as follows: Start the engine and with the navigation screen displayed: (1) Insert the DVD (Disc 1) into the DVD slot. (2) After a short while, the monitor will display "New map data available." → Press "Update". (3) Enter the FSC code. (Please prepare this separately. It is traded for a few hundred to a few thousand yen. Available on Yahoo Auctions, Mercari, etc.) The update will begin, and the progress will be displayed as a percentage. (4) When prompted to insert the second disc, remove the first disc and insert the second disc. (5) When prompted to insert the third disc, remove the second disc and insert the third disc. (6) Once the update is complete, press OK, and the DVD will be automatically ejected. The system will then restart. It's not difficult at all, but it takes about 2 hours. You can update it at your convenience. As stated in step (3), please prepare the FSC code separately. The items for sale are only the 3 data DVDs. For those who want to upgrade at a low cost. Compatible head units (for reference only): E60, E61 11/2008～ E63, E64 11/2008～ E70 10/2009～ E71 05/2008～ E81, E82, E87, E88 09/2008～ E84 10/2009 E89 04/2009 E90, E91, E92, E93 09/2008～ F04 11/2008～ F06 03/2012～ F07 10/2009～ F01, F02, F03 11/2008～ F10, F11 03/2010～ F12, F13 12/2010～ F20, F21 09/2011～ F25 11/2010～ F30 02/2012～