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Old 03-31-2013, 08:57 AM   #361
Beastly Adventurer
Joined: Aug 2011
Location: Arizona
Oddometer: 2,952
Originally Posted by dlbushey View Post
I just finished reading this entire thread and didn't see anyting about fuel economy. For those who have installed these wingletts, has it affected your MPG? If so, in which direction? Up or down?
MPG will definitely go down. Why do you think BMW puts the big tank on the GSA? It's to make up for the bad gas mileage received from the drag the winglets cause. I actually take my winglets off when the weather gets warmer because it allows more air through to cool me off.
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