Quote:
Originally Posted by ceedawg
Don't know if its the case on the F30 but I had this issue on my Mitsu/DSM with the stock turbo and a bigger than stock FMIC so yes Mike you are both right. I had terrible turbo lag in that instance due to the turbo being to small to work with the bigger aftermarket FMIC until I went with a bigger turbo. With the smaller turbo you have to run alot of boost for it to work with a bigger FMIC most times. Again not saying that about the F30 just my experience with another platform.
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There is such thing as too big of an intercooler.
It's always about finding a happy medium of size and flow.
Move the air too fast and it doesn't have time to cool. Move it to slow and you create lag but better cooling.
You also have to take into a account the type, design and size of the turbo.
It's safe to say that the quality street options for this platform are well within reason and should not create any extra lag.