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      02-26-2011, 06:58 PM   #56
Fraser-Z4
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Drives: Z4
Join Date: Jan 2011
Location: England

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The thing is though a couple of people have done the swap over on e90post and it's worked (budvlad & e90pilot I think) so I can't see why people are saying there are other limiting factors?

It's possible that the vin coding on the ECU limits the valvetronic adjustment but I don't think there's any evidence of this. I know a few of the UK tuners are able to freely adjust the valvetronic lift.