Originally Posted by anielsen71
But after reading a review from a 335d user in UK that could not see any big difference in smoke and after speaking to my tune guy who told me he can control most of that in the mapping I not that scared.
Does your tuner plan to block off the EGR valve and code out that circuit? I wonder if that would aid in power purely by removing the addition of the hot EGR air being mixed into the intake. Not to mention increase longevity of the engine.