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Old 12-12-2009, 06:13 PM   #130 (permalink)
bwilson4web
Engineering first
 
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Join Date: Mar 2009
Location: Huntsville, AL
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17 i3-REx - '14 BMW i3-REx
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I wonder if the pipe that connects at the water pump could be cut and a hose go to the heater, located at a lower position. Then the heated coolant would flow up to the cabin heater core and eventually, displace cold coolant into the heater. Mounting the heater will be an interesting challenge.

Another solution might be a resistive, heater wrapped and insulated around the lateral run of this pipe. This would avoid extra tubing and finding a place for the heater tank.

Bob Wilson
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2019 Tesla Model 3 Std. Range Plus - 215 mi EV
2017 BMW i3-REx - 106 mi EV, 88 mi mid-grade
Retired engineer, Huntsville, AL
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