it is not true about EDC that it only stiffs up the dampers in sport mode.
You can look it up directly in BMW glossary, it is of course not as advanced as adaptive drive in 5er, but the edc can change settings in millseconds - and they do.
Donīt just listen to people who need to justify why they didnīt buy it for their car
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X1 needs EDC, especially with RFT.