Registered Forum User
500SD
Posts: 762
Join Date: Apr 2004
Location: Switzerland and Dorking
Mood: Missing my Flash...
I have 45 mm carbon termi's on my 2002 748S. I did not install a power commander and I feel it runs smoothly and without any noticeable flat spots. Probably worth a dyno run however, if you have the time/can find one. Sounds awesome too.
Ade.