With only 22K miles on the car and you only drive 4k miles a year, you should as you did get rid of the CPO. You should open another savings account name it CPO and put around $900 a year into it and consider it a CPO.
By the time the car starts needing repair you would have saved some cash to cover lots of things. I commute to work in mine 1.5 hours one way and I have not had crazy problems purrs like kitten and roars when needed.
But I do keep it well maintained as I used to be an automotive tech. for 8 years- but not on BMW's still learning these beasts.
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