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Posts: 6,172
Join Date: Oct 2013
Car: e90 335i
Default 10-21-2019, 10:49 AM

Originally Posted by deerok78
Hello Terry,

I just ordered the JB4 and its on the way, on MAP 1 will i need to get colder spark plugs like you do with the 3.3?

Also I have intake and turbo inlet adapter coming ..will that all still fall under MAP 1 ? and im sure the JB4 will adjust to the intake added

Thanks for the help, look forward to installing this.
Should be okay for map 1 if you have lower miles. What fuel will you be using? Post logs once installed!

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