openinverter forum

Here's a nice offer: Munro Associates are offering their BMW i3 teardown report for a mere $10.

This documents every single component in the i3. Given that OEMs pay many tens of thousands for these reports, this sounds like a bit of a bargain. I think I'll grab a copy...

https://munrolive.com/support-%2F-store ... i3-reports

The teardown is pretty cool. Basically a scaled photo and description of every single component (down to the last nut & bolt), with a little bit of commentary on the interesting bits.
Here's an extract from the battery section: