2023 BMW Z4 spy shots: Minor update planned

BMW has been spotted testing an updated version of its Z4 convertible sports car. The current generation of the Z4 debuted in 2018 as a 2019 model. This updated version should arrive in early 2023, likely as a 2023 model. The Z4 isn’t a high-volume car so changes will be minimal. We can already spot minor tweaks to the front fascia and grille, and…