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Discussion Starter · #1 ·
Has anyone added a JB or NM Engineering tuner after installing a JCW Performance kit on a F56S??

If so, how did performance improve, and did you get any codes thrown?

Thanks
 

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I have the NM module on my MCS. BIG difference in power. Noticeably more pull in particular.

Took me about 10-15 mins to install and I can remove it just as easily. I keep mine on the HIGH setting and have never had a problem including pushing it hard on a track day, using 92 octane top tier gas.

I think Burger Tuning has said their module would work on the JCW, but I'm not sure about the NM unit.
 

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Discussion Starter · #4 ·
I have a regular S. I bought the JCW performance kit (muffler and ecu reprogramming) as an ad-on that was installed by the dealer. That kit is supposed to add around 20HP. Just wondering whether adding the JB or NM tuners on top of the JCW tune will cause any issues and actually provide even more gains. According to JB, it should be OK and add HP.
 
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