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  1. #1
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    What the difference between a stock X5M and a Renntech tuned X5M in the 1/4 mile looks like

    This is the type of stuff we like to see. While other sites are re-posting BMW press releases about production of the F30 3 series starting we are more interested in real world BMW performance comparisons. Renntech took an X5 M with only their tune to PBIR (Palm Beach International Raceway) to run on the strip versus a stock X5 M. The results are absolutely awesome with the tuned car running 12.09@113 and the stock car 12.72@107. That is 6 MPH and just over 6 tenth's with just a tune, impressive.

    Click here to enlarge


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    Uh, did the stock E70 X5 M get a bad start? The white one is what I call 'Rollin".

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    Click here to enlarge Originally Posted by deemo319 Click here to enlarge
    Uh, did the stock E70 X5 M get a bad start? The white one is what I call 'Rollin".
    They did three runs and the difference was basically the same.

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    1 out of 1 members liked this post. Yes Reputation No
    Very impressive. Great job RennTech for proving the results of your tune.Thanks for sharing Sticky! I love seeing threads like this.

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    Click here to enlarge Originally Posted by flipm3 Click here to enlarge
    Very impressive. Great job RennTech for proving the results of your tune.Thanks for sharing Sticky! I love seeing threads like this.
    No prob, really like these types of threads as well.

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    That would be the same X5 M I was referring to from my last track outing. It is amazingly quick for an SUV especially tune only.

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    wow cant wait for my flash for 335d

  8. #8
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    here is another website I came across. Ive sent them an email to get more info they actually have a tune for the US Spec 335dhttp://www.diesel-performance.co.uk/...le.php?id=3673

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    That's a huge difference with just a tune. Is there any other tunes to compare it to?

  10. #10
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    @leo985i, there are other tunes but its a matter of whom you desire as your tuner, JB DTKU RENNtech etc.

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