I know your looking for input on which of the two to go for. If you are buying for the remapped throttle response I can't advise. If your buying for the increased hp I would recommend neither. You won't feel 10 or 15 hp or ft lbs of torque.
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'07 Z4MR '22 GT4 '18 GT3 '16 GT4, '16 M2, '14 X1, '13 135is, '06 330i, '03 323 Ci, '01 330i, '99 M3 (RIP), '96 318is, some non-BMWs
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