Used 2021 BMW 3 Series for sale. Price: $28,850 790 Hempstead Turnpike, Franklin Square, NY 11010 More Franklin Square, NY BMW 3-Series's 2020 $27,943 Miles 2022 $53,943 Miles 2022 $39,952 38,756 Miles 2021 $36,252 47,202 Miles 2020 $40,495 19,347 Miles 2024 $29,995 31,106 Miles