Quote:
Originally Posted by Invertedflight
I have a 2007 335i coupe with 52k and other than the HPFP I have never had any issues. I would like to install a JB4, Will I need any additional mods to see a noticable performance increase? Is this going to put a lot of additional stress on the other parts of the car with this type of mileage?
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No need for additional mods needed as many customers just run the JB4 on map1 with a 100% stock car. I usually recommend getting a DCI (intake) with the JB4 but its not needed.
Mike