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      03-24-2012, 05:18 PM   #4
RoundelM3
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Drives: 15 F80 M3, 22 G01 X3 30i
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Location: Wendell, NC

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2022 BMW X3  [9.83]
2015 BMW M3  [6.50]
There's just not enough power to be gained from trying to open up the exhaust on a 128i - short of higher-performance cams, headers, a completely different induction system (individual throttle bodies like E46 M3), and other significant modifications, there's just not really anything you can bolt on that will make a significant difference other than a supercharger. Trade the 128 for a 135 and you have all sorts of easy tuning possibilities.
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2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey
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