mileage is meaningless. seriously. A 10K mile car owned by a punk is a much worse buy than a 100K mile car owned by a boring person.
most important is who owned the car, & second to that, the quality of construction of the car. As you are looking at BMW, the quality is solid. Its the previous owner you should be most concerned about.
given that dealers have little to no knowledge of previous owners, then you must look at the quality of the dealer. You must buy from a solid dealer that wont rip you off, or bullshit some reason they cant honor a warranty. Most dealers are shady as fuck. so you need to be careful about who you buy from.
& dont force yourself into a decision you are not 100% on. There are always more cars coming up for sale, every week.
GL.
