I was offered a great deal on a 2009 M5. Almost too good to pass. But after pondering about why the dealer wouldn't CPO it, I passed. Specially if you're buying a used car you can barely afford. Just remember what simple regularly scheduled maintenance costs on these cars. You might think twice.

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2013 X5 Xdrive35i Premium
2013 F30 328i
2004 Mustang GT Very Modded...