I must be in the same boat as you with the 550i xDrive. I ordered the 66mm hub extender and it's too small. I finally got a new micrometer (lesson learned, no more cheap plastic ones) and measured the ID of the hub. Sure thing it measured ~66.87 for my car. Need the 67mm extenders.
I also see they now have an F8x option. Anyone know what the diameter of that one is?
Calling VAC tomorrow to see if I can do an exchange.
Quote:
Originally Posted by ferrarif1
Has your hub been replaced with an aftermarket part that has a different dimension? It seems odd that the extenders fit perfectly on my 550 which uses the same hub part as your 535
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