This is Paul Dexter's BMW CSE that I've written about on the website previously. It's a seriously well-done conversion with a lot of the bells and whistles of a modern car. It's beautiful, fast, sleek, and unique.
Motor
Motor
Tesla Large Rear Drive Unit
Controller
057 Tesla Motor Controller
Notes
Electrical
Batteries
Tesla 5.3 kwh
Battery Management System
TBD
Charger
Tesla Charger
System Voltage
300 V+
Range
200+ miles
DC/DC
Tesla
Battery Capacity
73 kwh
Notes
Paul has an immaculate build blog that has detailed schematics and pictures with diagrams.