I have MPPK. Would either of these affect that or is there another box recommended (besides the $2100 "DINANTRONICS Performance Tuner Stage 1 for BMW F30 335i (EWG) (MPPK)" Why is there such a huge price delta between the Dinan and most of the others?
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2014 F30 N55 6MT, gray/red, M-sport, VMR 710/Mich PS 4S, MPPK, MPE
2001 E53 M54 5MT peeling green/black, well-optioned
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