Loyality is not issue
I test drive every major model every year. Still no car in the same cateogry can ignite the passion like my 545 (I am sure 550 is sweeter). With the active steering, V8 engine and sports suspension, the car just flys in a stealth mode.
There are so many article talking about so and so dethrones BMW. But as long as, it is still the target eveyrone shoots, that itself tell you something.