Quote:
Originally Posted by turkish335
ok so the computer calculates it based on a certain set of threshold parameters. Who says those parameters are adequate technically or were they backed into by financial analysis? Ie calculate the longest possible interval, given an everage bmw driver, that we can run the oil for, given that it costs BMW X dollars per oil change and the cost of not changing the oil is Y dollars of waranty work/vehicle repair (ie the concequences of not chaning oil to often).
Since the consequences of not changing your oil often enough occur into the future, typically to the latter end of a car's useful life, when present valued, that amount would be small when compared to the incremental costs in the short term that BMW has to pay to change your oil more frequently, assuming a certain % of problems or engine failures.
In the end, it probably works fine for most average drivers
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Damn ............ I just had a college flashback.
and
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