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BMW Adaptive Suspension Can Be Added via Subscription. Suspension As A Service (SAAS)
(www.bmwblog.com)
This is a most excellent place for technology news and articles.
This has nothing to do with an app.
But even ignoring that and pretending that that's some necessary feature, taking $10 out of the service price would pay for the actual costs for a hundred years, easy. It should be literally illegal to charge a subscription for that.