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An organization representing 13 air charter services filed suit against the Federal Aviation Administration to block a new federal rule that will restrict flight over the Grand Canyon. . . . Boeing Co. said it will offer a new, larger, wide-body version of the 767 for sale to airlines. . . . BMW plans to invest $400 million to produce engines and jeep-like vehicles in Brazil. . . . Texaco named Omnicom Group Inc.’s BBDO Worldwide unit as lead advertising agency. . . . Circuit City Stores Inc. said it plans to open 40 electronics superstores in the New York City area by 1999.