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      12-30-2012, 06:34 PM   #4
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Drives: 2015 Alpina B6; 430i; X5 40e
Join Date: Jul 2010
Location: Orange County, CA

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Throttle response is tuned by BMW. Throttle response is the worst in ECO PRO mode to help with gas mileage. Throttle response should be better in Drive and best in Sport mode.

I emailed Burger to confirm that the stage 1 tune addresses throttle response. Because it is drive-by-wire throttle delay can't be completely eliminated.

Mileage is unaffected unless taking advantage of the increased power.
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Past: E36 325i, E39 540i, F46 323i (AA tuned), E82 3.0NA, E84/F30 N20 BMS Stage 1, E70 X5 N55, F06 N55
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