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      10-21-2009, 08:40 PM   #2
shenard
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Drives: '09 X6 50i AW
Join Date: Oct 2007
Location: Dallas, TX

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2009 BMW X6 50i  [0.00]
Quote:
Originally Posted by Swains View Post
Hello guys,

I have questions about the "performance upgrade" for X6 2010. is it a ECU modification? can I add it later? since I already got my new X6. is there any side affect?

Thanks
Most likely it will eventually be available thru a dealer. My guess is that it is just simply a flash done at the spartanburg that increases boost a little. If BMW was smart they would offer this for $1500 to all existing owners as well!
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