I am not really attracted to the diesel. I have owned two, not BMW. I recently drove an F15, and if we get one it will likely be a 35i, with the optional BMW performance tune. More revs, more engaging to drive, more fun. I think it sounds better too, but like the last few items, that is personal taste. Diesel model has less horsepower than the 35i, so it's slower, and it just seems a lot less like a BMW to me. Good mileage, but not enough to come out ahead on cost of ownership given diesel fuel prices. Sure it has torque, but that is flywheel torque, and torque to the ground matters more. 35i wins there.

And then there is my wife. She remembers refueling the Landrover Discovery and the Passat, and doesn't want to go back there. I could probably be swayed easier than she could.

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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