Quote:
Originally Posted by cmkde
I've had a few e-mails back and for with BMS in regards to the JB4 Stage 2. You do have to tap into the ECU. It is suggested that M235i's run MAP 2 to start according to BMS due to having higher capability than the standard N55s out of the box.
There is a custom tune map but I'm not sure how much is actually editable, it does have USB and laptop software to tailor your own boost levels with expert help of course. It seems like the guys at BMS and the amount of support they give is top notch and the prices are more than fair for what they offer. I'll be ordering a JB4 and Intake to start as I figure out what I'd like to do on the exhaust front.
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i actually ordered the jb4 stage2 and an intake. from what i've read MAP 2 is for higher boost and is suggested to be used with higher octane 93+, with supporting mods. Unless they changed the maps around, I have heard people staying with safe MAP1 or adaptive MAP5