I remember HSA now from when I took a test drive in a manual - worked well on a ramp
Auto hold is good but not when combined with auto stop start because you lose control of when the engine cuts out and it unnecessarily cuts the engine at every possible opportunity, rather than only for waits of 10s+
BMW X3 (F25) xDrive20d SE . . titanium silver . . titanium front grille . . 309s . . xline . . xenons . . black leather . . alu trim . . professional multimedia package . . dynamic package . . climate package . . electric seats . . folding mirrors . . servotronic steering . . DAB radio . . business speakers . . sun protection glass . . split rear seats . .