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Old 05-15-2019, 01:50 PM
namelessman namelessman is online now
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To OP, the CBS oil change interval is based on gallons consumed as well as oil condition read by the oil level sensor.

For F30 with OCI of 1 year/10000 miles, the number of gallons per OCI is around 333 gallons, assuming 30mpg.

If your mpg is above, or below 30mpg, the OCI miles will adjust accordingly.
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