F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
So Tuesday morning my car will be going in the rolling road, I've just removed and blanked the swirl flaps, cleaned inlet manifold and replaced glow plugs / controller as they needed doing too (can't notice any difference in power btw BUT i cleaned alot of gunk out of the inlet so it's not a...