what about (just for the sake of discussion, not wanting to start an argument)

We bought and drive "performance" cars that are no denying expensive to maintain, but shouldn't we want to keep it preforming at its peak ! ?

We don't drive the tires down to the steal belts.
I bought 4 bosh oxygen sensors for $272 at 100k 6 years ago.

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2004, X5, 3.0, 202k+