I see that BMW have introduced a new online build configurator on their website today. It has a new look and feel but I have noticed a few errors when configuring the new Z4, eg choice of body colours. It seems to have been brought into line with the new WLTP (Worldwide Harmonised Light Vehicle Test Procedure) Regulations with updated fuel consumption figures.
https://www.bmw.co.uk/configurator
https://www.bmw.co.uk/configurator