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      04-18-2019, 06:20 PM   #25
Dawgz
2022 M4 Comp Xdrive
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Drives: 2022 M4 Comp Xdrive
Join Date: Feb 2019
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Quote:
Originally Posted by m5james View Post
I've posted this on another thread but NGK suggests 1 step for every 75-100hp added. I got schooled by the M5 guys (they've been pushing the limits of the S63TU farther than we can with the S63), but I've also since that post gone two steps colder since going from a stage 2+ flash only at the time to having added intake, downpipes, JB4 and meth injection.

At only 3psi more, I'd say one step colder at most otherwise you run the risk of fouling plugs. BMS did have the best price on plugs at the time I ordered, FYI.


Thank you, so 5992 are indeed one step colder. Ok cool
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