View Single Post
      12-23-2017, 09:25 AM   #25
pbonsalb
Lieutenant General
7679
Rep
13,758
Posts

Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

iTrader: (4)

These cars have alternator cut out under load so the gains are less than they might be. It’s really just water pump and power steering. I installed a pulley about 6 years ago as my first mod since dynos show slight gains—like 6-7 rwhp or maybe 2% rwhp gain from the reduced drag.
Appreciate 0