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      05-24-2010, 11:18 AM   #2
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Drives: X6 5.0i
Join Date: Dec 2009
Location: NOVA

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Quote:
Originally Posted by JIMX681 View Post
What does everyone who has the BMW performance upgrade on the 50i think of it? Is it worth it? Can you feel the difference? Do you have another company's tune that is better?

Any info would be appreciated, thank you.
Increasing 40hp for under 1500.00 is a bargain, IMO. On top of it, it doesn't void your warranty.
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