Manufacturers are notorious for not taking responsibility due to liability....let’s think Toyota with fortunes that roll at the site of a gravel road, fords that spontaneously combust or bmws that don’t show the correct gear.
This guy got to the end of his patience I reckon and some type stuff of ppl like things to work as intended otherwise it causes them stress. This guy is probably this type of persona.
I can tell you, lawyers don’t go to these lengths unless they see an opportunity to win. Bet it’s resolved with undisclosed amounts changing hands.
If this is an issue then BMW really should sort it. My cheapie Kwak is uber reliable