All-Important BMW 730Ld Goes on Sale in the UK .fullpost{display:inline;} We're guessing that you're wondering what's so special about the long-wheelbase diesel version of BMW's new 7-Series. Well, consider this; according to the Bavarian automaker, the 730d and the 730Ld are predicted to account for a whopping 85 percent of all 7-Series sales in the UK