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Bmw s50 turbo startup map


Turbokarlsen

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  • 2 months later...

Not a very common engine in these parts, I dont think I have even ever seen one in my life...  If you cant find anything, for the basic fuel setup I would suggest you copy our nissan GTR base map.  Main fuel table has TP as the load axis.  Equation load source = MAP.  Lambda target table load axis MAP or MGP.  Tune the main fuel table on lowest boost setting.  Then test at highest boost setting, if lambda stays on target then that is all you need.  In some cases you with a restrictive turbine you will find lambda will trend rich at high RPM when on the high boost setting, if this happens then enable a 4D fuel table (always on), with MAP on the load axis.  You can then pull a little bit of fuel out at the topend under high boost - so most of this table will be zeros.  

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