09-06-2019, 04:27 PM | #2 |
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I have a 15 435i
With bigger cooler Mild tune New upgrades charge pipe What performance gain can I expect? Will it throw a code? Thanks Gregg |
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09-06-2019, 04:48 PM | #3 | |
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Quote:
Better yet, sounds like with this you can go from a mild tube to stage 2 |
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