Originally Posted by Mystikal
8.8:1 compression helps too.
We are not talking about too much boost, we are talking about hot air going straight into the engine without any type of cooling.
If you look at 745i Turbo
It has even lower compression ratio, 4.4psi of boost and it has an intercooler.
Running 10psi turbo with no cooling whatsoever is suicidal i think.