Used 2020 BMW X7 for sale. Price: $38,758 46 Northern Boulevard, Great Neck, NY 11021 More Great Neck, NY 's 2022 $51,995 48,463 Miles 2020 $39,995 50,115 Miles 2020 $21,995 59,011 Miles 2021 $34,995 25,387 Miles 2023 $27,995 33,477 Miles 2023 $26,995 39,728 Miles