Thanks for the reply
I guess they are 2 different animals. I nver owned a SUV

If the Prioirty is 1) Handling 2) Ride comfort and 3) Luggage capability would the 328 Xi handle much better than X3 in dry ?

are runflat's liveable in the 328Xi?

The extra luggage space in the X3 is something I would use may once a year