Tesla Motors (TSLA 2.28%) has made a huge splash with its all-electric Model S luxury sedan -- its first big move in its effort to become the electric-car version of Germany's BMW (BAMXF 0.56%).
But now, BMW is making its own first move on to Tesla's turf. Executives said this week that BMW already had 100,000 people signed up to test drive the all-electric car it plans to launch this fall. Is it time for Tesla to worry? In this video, Fool.com contributor John Rosevear takes a closer look at BMW's new electric car -- and gives his take on how it's likely to affect Tesla's sales.