Originally Posted by enrita
I dont think is needed to lower compression. We are not boosting 25 psi and i guess alpina choose that route only for durability since the car should be able to run as oem does. You can always raise the head to lower compression.
Yes, that is also what Evotech told me. The forged pistons would allow for a more aggressive tune, or improve durability on the long run with the same parameters.