C's Bimmer,
Thanks. I know that the X6 M rear bore is 72.5mm but guess I was looking for confirmation that X6 rear is the same.
It's worthwhile for me to get these, even using H&R Trak+ hub adapters, because it's a good deal. My preference would obviously be to not have the adapters.
motordavid,
Thanks for your response. I had looked at website too. That's what I couldn't understand how these wheels can be sold on new X5's and X6's.
I have asked the seller to measure the bores. He is going to send pics of the the inside barrels so I can check BMW OEM.
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Here's the eBay
link where the dealer claims that his set of 336's came off a new X5 and don't need hub adapters for a 2008 E70.
I have seen multiple sellers selling 336 take-offs from X6's.