Also see this link from ebay Australia
https://www.ebay.com.au/itm/223327532682?mkcid=16&mkevt=1&mkrid=705-154756-20017-0&ssspo=HXf4GUQ4T3S&sssrc=2349624&ssuid=wPFlLe_pRAC&var=&widget_ver=artemis&media=COPY
It talks about a complete fitting kit including wiring? For a 2017 - 2018. Now 2018 in...
I agree, if you are going to keep the car for 5 years or more then the mca coilovers have a 5 year warranty here in Australia and they are very helpful should you have any issues. I have spoken to them, they are in QLD and very easy to deal with.