Thread: Burger Tuning N55 Stage 1 Tune - 2011 X5 3.5i
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      10-12-2016, 07:47 PM   #5
pullmychamb
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Drives: 2011 X5
Join Date: Aug 2013
Location: Charleston, SC

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Nice writeup, I just installed the same tune on my 2013 X5 35i, and the difference is extremely noticeable.

There is a lag though at around 2500-3000rpm
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