Hub extenders - advise needed

[warmasice]

Can anyone check the following for me. Are the front hub bore dimensions on an E89 the same as an E46? I checked RealOEM and it seems like the E89 shares part numbers with the E46 but not too sure? I'm pretty certain most hub extenders will fit the E46, so I'm hoping they'll fit my Z4 too.

I have been in touch with CA Technologies who, on their website, state their hub extenders fit all BMW (except the E30), but this is the response I received:

good morning

sorry but we are not 100% sure if the E46 hub extenders work on your Z4, but I hope the attached dimensions would help if you can check against your own car ?
these are in stock

all the best

roy

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Can anyone help me please?

Link to their hub extenders here: http://www.ca-int.co.uk/single_prod-cHJ ... kPTg=.html