SoftBank co-led the autonomous car technology developer's series B round, which included BMW iVentures, General Motors Ventures, Toyota AI Ventures and Allianz Ventures.

US-based autonomous driving technology developer Nauto completed a $159m series B round today that was co-led by a subsidiary of telecommunications and internet group SoftBank, and venture capital firm Greylock Partners.

Carmakers BMW, General Motors and Toyota also invested, through their BMW iVentures, General Motors Ventures and Toyota AI Ventures units respectively, as did Allianz Ventures, the corporate venturing arm of insurance firm Allianz.

The round was filled out by hardware-focused venture capital fund Playground Global and VC firm Draper…