I just configured my 2011 on the 2012 specs - it was $425 more MSRP - however it bundles the 19" wheels with SAP - i have SAP w/ 18's - and the 19's were a $600 option i didn't get. had I gotten them the 2012 is 175 cheaper. from what I can tell the savings is from the new bundled audio package where they combine premium hifi and satellite - that is new.
the flip side is when it comes time to replace the tires, i'll make up for the $175 on the cheaper 18"
the only other difference is the headliner and i don't know what that option cost if anything
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2018 X3 M40i G01 | Phytonic Blue | Mocha | Premium+Exec | Driver Assist | Adaptive M Suspension
2011 X3 XDrive35i F25 l Deep Sea Blue l Mojave Leather l Sport, DHP, Premium, Nav/Technology, Cold Weather, Convenience [traded in]
2008 328XI E91 Sportwagon l Sparkling Graphite [traded in]