There are 2 different units depending on your country and spec.
1 uses DSC sensors to look at circumference change with a flat.
The other has in tyre pressure monitors. (Option 2VB, tyre pressure display)
Both work fine with runflats or "normal" type tyres. No change in software needed.
Just remember to re-initialise the system as per your owners manual each time you change the tire pressure.
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BMW if you are reading, I need a job, Please.
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