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      05-25-2011, 01:33 AM   #13
Singletrack
4th down; 4th quarter? Renegade.
United_States
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Drives: 09 SSII E92 M3; 12 AW X5d
Join Date: Aug 2008
Location: Pittsburgh, PA


Posts: 3,818
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Factory intervals are fine. If you track frequently or live in harsh conditions, then you may wish to change sooner. However, taking the former as an example, the car will adjust the interval down based on the hard driving.

UOA's, despite their popularity, don't tell you how well the oil is lubricating the engine.