Originally Posted by John V6
Originally Posted by Leroy
Originally Posted by CooperMan
Good mods Leroy, I also lined the back face of the black GRP airbox with thick self adhesive foil where it lies against the engine

I did the same, it was foil but it wasn't thick. This should definitely reduce the temp. Not sure if I will notice any difference, but can't hurt.

Me too on my S1

Did you notice any difference in performance John?


2004 Series 1 Roadster