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Old 06-06-2017, 09:29 AM   #27
BMWM.D.

 
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Drives: ZL1/335i
Join Date: Apr 2014
Location: Santa Barbara
Posts: 870
As far as running the fan and intercooler pump go, you may be able to set this up with HP Tuners. I haven't looked at a ZL1 tune file yet, but I set up my Magnuson supercharged C6 to run the fan and intercooler pump after shutdown with warmer coolant temps. There was quite a bit of customizing possible. I'm guessing the same could be done on this car. I know some people might be afraid of flashing the ECU due to possible warranty issues, but I'd personally try this before adding a switch or modifying wiring.
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