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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 01-25-2013, 08:30 PM
Mau Mau is offline
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Location: Miami
 
Join Date: Jan 2013
Posts: 5
Mein Auto: X5
JB Stage 1 N55 X5

Hey there. Had the JB on for about 10 days and the extra power (up to 50hp claims) is just not there. Feels a bit sluggish on bottom end. Boosting about 10 lbs. Had many turbos before and you should definitely feel 50 whp difference. Ran a few times with a friend with a '13 335i and pulled away every time. Any experiences out there?
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  #2  
Old 01-27-2013, 05:44 AM
macming macming is offline
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Location: Ontario
 
Join Date: Sep 2012
Posts: 112
Mein Auto: E46 M3, 2011 X5 35i
Quote:
Originally Posted by Mau View Post
Hey there. Had the JB on for about 10 days and the extra power (up to 50hp claims) is just not there. Feels a bit sluggish on bottom end. Boosting about 10 lbs. Had many turbos before and you should definitely feel 50 whp difference. Ran a few times with a friend with a '13 335i and pulled away every time. Any experiences out there?
That's strange. I feel the immediate increase in low end torque right away. The turbo lag also has been eliminated. I say talk to Terry and he'll fix you up!
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