Quote:
Originally Posted by bavarianride
A platform is chassis + battery + component.
And you skipped the next sequential statement:
"E.g. 900lbs less can squeeze extra 100 miles of range, and/or 4-5 miles/kWh instead of 3 miles."
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No, a platform is not those things and “chassis” is an anachronism related to body on frame architecture. Batteries and components rest upon or are integrated into the platform. The platform is comprised of stampings for the floorpan, dash (a term mistakenly used commonly for the instrument panel when the dash is actually the stamping separating the engine compartment), cowl, and in traditional terms, engine box. I spent enough time in my multi-decades auto career in stamping and assembly plants and with body and structure engineers to know this.
The point is that we have many here claiming to be informed about the effects of the platform when, in fact, we/they have no such information at this time. A tear-down or spec from BMW would be needed to know the weight effect of the actual platform.