Quote:
Originally Posted by TheNine90
The new operating system 8.5 will only be available in vehicles with the HU-H5 head unit.
Customers that have BMW Operating System 8 with the HU-H4 head unit WILL NOT be able to move to BMW Operating System 8.5. Also, due to the multiple hardware, software and wiring harness changes, a retrofit option from the HU-H4 head unit to the HU-H5 head unit WILL NOT be possible.
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Where can I find out which head unit I have?