You were right on! Hole the size of a dime in hose below throttle body. Thanks.

Hey All, Recently had turbo swapped from '87 to '89 740. Starts, idles, runs fine until hard acceleration, when it chokes. Turbo tested fine in shop. Have replaced fuel pressure regulator, swapped air mass meter, checked timing, all the usual suspects. Mechanic has had the car a week (initial diagno...