BMW Group announced expansion of its electrification strategy.

BMW announced Tuesday that the three-door MINI will be the first model in the brand's portfolio offered as a battery-electric vehicle. The company will add the model to its Hardtop lineup with production starting in 2019.

The three-door EV will be just the beginning of BMW's EV roll-out. Immediately following the MINI will be an i8 Roadster, an all-electric X3, and BMW's much-ballyhooed NEXT.

"By 2025, the BMW Group expects electrified vehicles to account for between 15-25% of sales. However, factors such as regulation, incentives and charging infrastructure will play a major role in determining the scale of electrification from market to market," the company said in its announcement Tuesday.

The road to that goal is paved with BMW's next-generation vehicle architecture, which has been designed to allow the flexibility for electrification across all of the automaker's model lines.