Quote:
Originally Posted by Mike@N54Tuning.com
When raising boost you are raising airflow requirements especially at higher RPM so supporting mods are needed..
Mike
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There is always the question about Downpipe.. Terry from BMS said it was not required, but some are saying that it's useful to get more gain...
Because my car is on a lease, i was thinking about going jb4 only (already have the MPPSK on my 340i) and i've ordered with Mike the Agency Power intake. Maybe thinking about a catted downpipe (highflow). dont want any code.
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Bmw 340i X drive 2018 New orange sunset, Manual transmission, M performance I & II, M performance front lip, side extension rear diffuser, tinted windows. : SOLD
Back in old N55 love! Bmw 335 EBII M performance edition : ER Downpipes, VRSF Chargepipe, VRSF HD 6.5 Intercooler, BM3 Stage 2 93 octane, MPPSK, H&R Spring