custom tuning

Hello spoolstreet community, requesting some help from the custom tuners here! I and one friend recently installed a Vargas GC turbocharger on two M340i G20 xdrive B58TU. I did a custom MHD map for both cars, mostly increasing the "boost set limit", "boost multiplier" and the "torque to load x...

Happy Thanksgiving to everyone, although a bit early, no worries. Starting 2 days early for Black Friday we are offering 15% off all custom tuning purchases from now until November 30th, 2016. So you have a week long chance at some savings. Just a way for us to give back to our community. All...