2007 or 2008 are the year to get, the ride was much smoothed out over earlier versions.

Premium and cold weather package are both good options to have. We also have the heated steering wheel on our X3, but it doesn't get as warm as other BMW wheels we have had (X5, Z4, 535). No xenons is a negative, I like them. Nav is a waste of time IMO, you can do better with an aftermarket unit if you tend to get lost frequently. I like the PDC option on our X3. It is a positive not to have the sport option; you can always change the wheels if you decide to.

Assume it is an automatic, you don't say. If so, drive it and decide if it shifts OK for you. Some owners haven't been happy. If it is a manual, so much the better, congratulations on finding one.

No comment on price, your local market will be different than mine.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue