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Old 05-26-2011, 03:23 PM   #23
Psshhhht M3
Join Date: Dec 1969
Location: Cali
Posts: 5,940
My Ride: E46 M3
Originally Posted by zx5rider View Post
Correct me if i'm wrong but I took "stock DME tuning" as they re tuned the BMW ECU(no stand alone) so it could be over 5 PSI.....

Also are you saying the M3 Intake manifold will break at more then 12 PSI?
There is 330's out there with more then that.
The stock S54 manifold is pretty weak also its completetly different then a 330's mani, remember individual throttle bodies etc... I know lots of testing has been done on the stock mani years ago.
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