the V12 BMW M73 engine on the top-trim BMW 750i E38. The M73 is a naturally-aspirated 5.2-liter single overhead camshaft engine that puts out 322 hp at 5,000 rpm and 361 lb-ft of torque at 3,900 rpm.

BMW has already celebrated the silver anniversary of its V12-powered 7 Series flagship ... just 300 hp and 330 pound-feet of twist; the E38 750i had 322 hp and the E66 760i had 439 hp.

Read more: The 20 Best BMWs Ever Designed The first appearance of the BMW V12 in the U.S. was in the 1988 750i, the new top-dog version of the E32 7-Series sedan. BMW essentially took two of its ...