Useful when buying to know what specs changed in what years. Note the PR is Dec 2005 but at the end they mention an April introduction, so presumably the facelift models arrived in April 2006.
https://uk.nissannews.com/en-GB/releases/release-12709-350z-the-power-broker
Copying below since previous Nissan PR links have died when they've rearranged their site:
2005/12/07
FOR IMMEDIATE RELEASE
7 December 2005
350Z: THE