By Joshua Gallu, Wilfried Eckl-Dorna and Stefan Nicola, Bloomberg

Next to BMW AG’s headquarters in the heart of Munich, a museum and glass-walled exhibition center showcase classics including the 507 convertible that Elvis Presley drove during his US Army tour in western Germany. Originally painted white, the king of rock and roll had the roadster resprayed red after his female fans kept writing on it with lipstick.

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There’s been another BMW parked on the campus lately, hidden from view behind sets of secure doors. This one’s covered in camouflage, because the future of the company is riding on it.

The sport utility vehicle, called the iX3, will be the first of 40 new or updated models that share slick software, high-performance co

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