Buying a BMW 3 Series in South Australia
F30 (2012-2018) and G20 (2019+) are the most-traded used premium sedans in AU. Both share the N20/B48 four-cylinder turbo platform with documented timing-chain (N20) and bearing-shell (B48 early) issues. PPSR-check thoroughly: ex-novated-lease examples often carry residual debt, and write-off rebuilds from minor frontal impacts are common.
Specific to South Australia: South Australia's used-car market is smaller than the eastern states but proportionally similar in composition. Adelaide's lower theft rates make it one of the cheaper states to insure a high-value vehicle — but interstate vehicle transfers (particularly from QLD and NSW after major weather events) make NEVDIS WOVR checks essential.