Bmi Inaccurate If Muscular Is The Adultfitnesstest.org BMI Assessment Inaccurate For Taller Or More Muscular Men?

Is the adultfitnesstest.org BMI assessment inaccurate for taller or more muscular men? - bmi inaccurate if muscular

I'm 6'5 ", 215 lbs, 18% body fat, and go to the gym 6-7 days a week, said. The test to me that my BMI is 25.5 (overweight, at increased risk of heart disease), but I had the impression that 18% is fat in the optimum range for men.