Used 2021 BMW X3 for sale. Price: $34,000 5226 Kings Hwy, Brooklyn, NY 11234 More Brooklyn, NY BMW X3's 2021 $32,949 21,644 Miles 2016 $10,995 131,056 Miles 2022 $36,835 24,925 Miles 2024 $47,855 6,727 Miles 2022 $48,900 23,433 Miles 2024 $47,855 6,405 Miles