The engine is a revelation, combining really useful "grunt" with fantastic economy (50mpg+ being easily attainable), but without ever sounding too much like a taxi or being intrusive.
The run-flat tyres give a rather sharp ride. Given the choice (which one isn't) I'd go for conventional rubber.
The i-Drive system is complex, but not as annoying as some critics would have you believe. I'd have preferred a touch-screen system, though.
The seat belt handover arms look a bit flimsy to me and sometimes get tangled in the belts. They also get a bit confused if you jump out of the car with the engine running (for instance, to post a letter) and try to pass the belt to a non-existent driver!
The adaptive Xenon headlamps are very effective, and the high beam assistant feature is quite surprisingly effective.
The DAB digital radio struggles to find a signal in rural areas, but that's not a fault of the car - simply a symptom of the current level of coverage.
The live traffic information, which updates the satnav route, is a bit erratic - again, probably because of the nature of the system itself rather than anything particularly Bavarian.
The styling is far more attractive than the E90 saloon, but I wish I'd opted for the 18" 5-spoke alloys as the standard-fit 17" 7 spokes look a bit weedy by comparison.
I chose the camel coloured nappa leather and walnut trim options, which lightens an otherwise sombre interior.