InsideEVs has a nice detailed look at the BMW C Evolution.
http://insideevs.com/detail-bmw-c-evolution-electric-maxi-scooter/They state the price is 15000 euros in germany. "We still don’t have US pricing from BMW, but this electric scooter will be sold in the States."
Peak power output of 35 kW, 0-100 km/h in 6.2 seconds. This is actually faster than the C600 Sport and C650 GT, at 7.1s and 7.5s respectively. It is slightly heavier, at 265 kg vs 249 kg (C600 Sport) and 261 kg (C650 GT). Both of the gas powered bikes have much higher top speeds, but the Evolution of course will mostly see duty in the city, not on the Autobahn.
C600 Sport: 11.200,00 EUR or 9590 USD
C650 GT: 11.550,00 EUR or 9990 USD
C Evolution: 15.000,00 EUR
Based on these prices, I would expect the C Evolution to be priced right at $13000 when it arrives in the US. This puts it on price parity with the 2014 Zero S ZF8.5, though of course the two are substantially different bikes. The Zero is significantly faster and lighter; the BMW will probably be more comfortable to ride two-up, has a faster charger (3 kW), and of course has the roundel on the front as well as BMW's distribution and service network.
BMW hasn't listed MIC standard range ratings for the C Evolution, but states the range at 100 km / 62 miles in "practical operation". In comparison, Zero states the S ZF8.5 range at 103 miles in the city, 64 miles at constant 55 mph, and 53 miles at constant 70 mph. Zero will probably have the edge in range in all but highway operation.