Originally Posted by Qsilver7

Since 99% + of USA e53 owners have very little actual experience with a diesel e53 (they weren't imported here) most of our comments will be anecdotal more than actual experience.

But you can see in the chart below...there were 2 diesel engines and you didn't give which one your bud owns. If he has the latter M57TUd...you can see that 0-60 is the same (8.8 sec)...and if your M54b30 has a 5 spd tranny...and your bud has the M57TUd and has the 6 spd tranny...that could be another reason it keeps winning: