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      07-25-2014, 01:42 PM   #9
totalloss
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Drives: 2009 BMW 335i
Join Date: Apr 2014
Location: Southern California

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2009 BMW 335i  [0.00]
If anyone's interesting in how mapped thermostatic systems work, I found this. It's a good primer to show how the various engine load/engine speed/incoming air temp/vehicle speed combinations play into how the ECU pulses the heating element inside our thermostats. These combination values are compared to a stored map, thus explaining the term "mapped thermostat." Enjoy.... http://www.volkspage.net/technik/ssp/ssp/SSP_222.pdf
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2009 335i M-Sport 6MT - AFE CAI
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