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      06-24-2011, 11:34 AM   #2
Tom K.
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Drives: '07 328iT, '13 Boxster
Join Date: Mar 2008
Location: Maryland

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The average CBS interval is around 15,000 miles, not 10k. I've seen it as long as 19k with a lot of highway cruising.

Even though the US time interval for oil is 1 year, both my '07 & '08 are programmed for two years when reset - so if you are doing time based changes, keep your receipts. For awhile last year, BMWNA actually changed it from one to two years (unless under 6k miles per year) but quickly changed it back after numerous complaints - especially since the manual says to change after one year.

And I've noticed that for the first 500~1,000 miles after a change & reset, the miles to the next change is very low. This works itself out after normal driving.

Tom
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