Nothing wrong with used cars, and I personally value the extended warranty a CPO gets you...BUT:

A "cpo" as a rule is a total BS process that gets you ZERO 'protection' nor assurance. The bill it as a complete, thorough and detailed inspection and refurbishment of a used car to exacting BMW standards. Utter garbage. It is a cursory and cosmetic inspection with tires and brakes up to 50%, any regular services done. It is NOT an assurnace the car was never damaged, it is not an operating/noise/wear inspection.

Worse, if they miss real issues in the CPO inspection, you have zero recourse other than to beg the dealer, then threaten litigation: BMWUSA will NOT back a CPO car, they will not make the dealer do a damn thing.

ALWAYS GET YOUR OWN INSPECTION (PPI) FROM ANOTHER MECHANIC. (Unless you are qualified.)

A

PS A "CPO Warranty" is equal to the "BMW Gold Plan" which covers you from 50-100k and 4 to 6 years. Worth 3k or so.