Utilize the input text as a context reference, choose the right relationship between BMW i3 and BMW from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

The BMW i8 is positioned as a halo sports car model and is priced as such, while the BMW i3 offers city proportions and versatility in a compact package.

Answer: brand