Questions for you guys regarding E-Sys programming (it's really not programming but more of turning on/off the default setttings for U.S. bound M5). Does changing the default settings for U.S. bound M5 via E-Sys invalidate the warranty of the the M5? And does the M5 have the ability to "phone home" to inform BMW of those altered settings or does that show up when you come in for BMW service?
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