If those are the two final options, then I agree with PNG that it really comes down to whether she wants a two door or not. Both look good, but different. The 2 door has easier access to the front seats, but a larger door to swing.

I wouldn't worry about the 2.5 or 3.0 question at all. Both have good power. We had a 2002 325xi, with a manual trans, and it had plenty of spirit. My wife loved that car, and I enjoyed driving it when she let me; we only traded it so that we could keep an X in the family for greater utility.

The 325 you list is less expensive, and a year newer, with fewer miles. Unless you really want 2 doors, I would go for that one.

Jeff

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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