Either making your own disk, buying the ebay special, OR if you have good friends from way back when you can barrow the OEM Update disk!

OEM disks are such a rare item though, but work perfectly. So glad I updated my 04's software

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2018 M2 LBB / BLK [DINAN] [Mperformance]
2018 X5 50i AW / BLK

Former:
2004 X5 4.8is BSM / BLK
2003 540i SG/ BLK [Euro M5 spec]