Yes, this Medium article is an unabashed BWM advert. But it shows how audiophile sensibilities carry from the whisky chair to the highway.
My parents drove what they called a 'Swedish tractor'. The doors of our Volvo 840 didn't sound bad, but every time I heard doors close on a BMW, or some Lexus models, my insides rose up in salute. They said: that was how a car door should sound.
As with all things luxury, it is the little things that count.