.1mm wheel hub difference??

[bfr]

I'd post in the Tires and Wheels forum but it looks like the last post there was like 8 months ago...

So I've seen some wheels, especially off from M spec vehicles and their rear hubs, described as 72.6 bore size. Looking into it further it looks like they are actually 72.56. My 2013 X5 has a hub bore size always noted as 74.1.

If the 15mm spacer is not a problem, will the H&R Trak Hub Adapter – which is said to "adapt wheels with 72.5 CB to fit 74 CB (3075740725)" make those wheels work? ie., is the 1mm (or 0.44mm) difference just all considered the same thing? Thanks. (Note: obviously with correct length bolts) It would seem so as the fitment guide includes the E70 X5.

[andrewwynn]

Somebody rounding numbers.

[bfr]

sounds good. thanks