Originally Posted by Levi
S65/S85, basically the same engine were completely new developments, and AMG's answer was the NA 6.2l V8. .
Your statement of the S65 being developed only for the E9X, implied that the development costs were only amortized over the E9X. It wasn't, as it was amortized, along with the overall cost of the S85, over the M3/M5/M6 range.
Your subsequent comment is different.