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Old 01-08-2013, 11:55 AM   #17
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Join Date: Apr 2010
Location: Toronto
Posts: 6,881
My Ride: 2004 M3, 2001 325i
The soft failure of thermostats is a real PITA. As an owner, likely the only symptoms will be poor fuel economy.
Developing some sort of "digital" thermostat would be a good use of all this technology thrown into new cars.

The Torque app for android is pretty useful when it comes to monitoring coolant temp, throttle position, and a few other parameters.
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