Join us on an exclusive journey to the BMW Classic in Munich, where we uncover some of the rarest and most unique gems in BMW's storied history. Among these hidden treasures, we stumbled upon a true masterpiece: the world's only BMW Z3 with a V12 engine. In this video, we showcase the high-powered convertible at the BMW Classic headquarters. Yes, you heard that right! The brilliant engineers from BMW M managed to cram twelve cylinders under the hood of a tiny sports car that normally housed a six or even four-cylinder engine. This monstrous 5.4-liter unit, known internally as the “M73,” was found in prestigious cars such as the 7 Series E38, 8 Series E31, and the lesser-known Rolls-Royce Seraph. With an impressive 326 hp and 490 Nm (361 lb-ft) of torque, the V12’s power was channeled to the rear axle via a six-speed manual gearbox from the 850Ci. Putting the largest engine available in the smallest car of the lineup was a fun and thrilling idea, born from a collaboration between BM...