MyE28.com

Just out of curiosity, what setup on what motor and how much boost are you guys running, and roughly how much power are you making?

Also, does anyone have any real details on the Alpina B7 and B7S? I am really curious what kind of boost they were pushing and what not...

The B7s at there peak were 10-12psi and 320-330hp. The early B7 on the 3.2l was 300hp, all crank.

My system is pretty normal, TO4B, .69turbine, H3 compressor, A/A IC, 11-12psi make 285whp, 15-17psi made 316whp with a ton of tuning to get there.

Just search down this page and there are a couple dyno charts, not hard to find. Or search the archive.

RussC