Bimmerfest - BMW Forums - View Single Post - has anyone done the Dinan upgrade on a 750
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Old 07-11-2012, 07:21 AM
nyranger74 nyranger74 is offline
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Location: Long Island
Join Date: Jun 2009
Posts: 592
Mein Auto: 2011 BMW X5 50i M Sport
The Dinan tune doesn't affect mpg. It didn't on my old X5 and it doesn't on the 7. I really haven't been in a situation where I can really open it up, but the power is certainly noticeable.

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