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    • BMS Stage 1 JB4 tuned W205 Mercedes-AMG C43 (C450) breaks into the 11's - 11.9@116.6

      The BMS JB4 box is well known in BMW tuning circles but Mercedes adoption is not as widespread. Well, this result should definitely get the JB4 far more attention especially as it relates to the Mercedes M276 DELA 30 twin turbo 3.0 liter V6.


      With just the Stage 1 JB4 this C43 broke into the 11's:


      The trap speed is cut off but it is 116.6 miles per hour.

      Incredible bang for your buck Mercedes performance.

      This article was originally published in forum thread: BMS Stage 1 JB4 tuned W205 Mercedes-AMG C43 (C450) breaks into the 11's - 11.9@116.6 started by Sticky View original post
      Comments 4 Comments
      1. Cartman417's Avatar
        Cartman417 -
        Itís a BMS JB1 not JB4
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Cartman417 Click here to enlarge
        It’s a BMS JB1 not JB4
        I thought it was Stage 1 JB4?

        Even more impressive then.
      1. Cartman417's Avatar
        Cartman417 -
        No there is no JB4 for the c450/C43 yet
      1. Cartman417's Avatar
        Cartman417 -
        Bora is running a Bluetooth device and running map 6 on his on adjustments he’s proving that piggybacks rock