Originally Posted by antzcrashing
because no American would pay $80K for the MPG bump. Diesel is more expensive than premium, and most people put regular in their BMWs.
If you do the math, in US it is more economical to buy the 550i for $62K and take the hit for poor MPG.
prices are a bit different up in canada. $1.38 for 91 vs $1.29 for diesel. i hope bmw makes plans to bring these diesels to north america in a few years.