One of my 19" front rims cracked at 15000 kilometers.
The 'Michelin' Run-Flat tires seem to puncture every few months.
Rear seats are uncomfortable.
The dashboard is very boring.
The 'iDrive' is quite complicated.
The acceleration is very fast along with agile handling.
Quite comfortable ride.
Very bright Bi-Xenon headlamps.
I have driven in Bangladesh several times and It's not really fair to blame a cracked rim and getting flats on the BMW. Any car with performance low profile tires is going to have the same trouble.
But the dreadful flat run tyres certainly don't help!
The flatrun tyres are a pain, ditch them and enjoy a better car.