View Single Post
      03-08-2024, 12:38 PM   #7
note46
Lieutenant
266
Rep
442
Posts

Drives: M Coupe, 328d SW, i4
Join Date: Oct 2009
Location: East Bay

iTrader: (1)

Quote:
Originally Posted by ramkbmw View Post
Can you explain why "D" is better than "B" once in the freeway? I've always thought B is at least slightly more mileage efficient than D at all times due to the more pronounced regeneration.
Coasting is more efficient than regen. This was also shared by different manufacturers as well. The amount of energy you could gain by regen at freeway speeds is a lot less than the distance you could travel (by coasting) vs regen then having to accelerate back up to speed.
Appreciate 0