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      12-31-2012, 08:03 AM   #9
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Drives: X3
Join Date: Nov 2012
Location: London

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Originally Posted by Broch View Post
I changed the oil around 9500 miles.
Before this change the OBC would show 510 - 520 miles range on a full tank.
Now, although just 2 top ups since the oil change, the OBC is showing 600+ both times..
So I beleive it was worth it just for the extra miles per tank
Could it just be that the OBC takes into account your recent driving style when calculating the range in the tank? If you have been driving more efficiently since the oil change it may have revised the range figure. Or perhaps you have put more fuel in than previously?