BMW 3-Series (E90 E92) Forum - View Single Post - Pictures: Electric water pump + thermostat replace

dhc905 · 01-03-2013, 05:55 PM

Question - is it normal in a fully functioning e90 to have the heater on high and the tempreture change (drop) every so often? Is this a potential indication of a bad pump?

01-03-2013, 05:55 PM	#137
dhc905 Private 7 Rep 76 Posts Drives: 2006 325i Join Date: Jul 2012 Location: East Bay, SF iTrader: (4)	Question - is it normal in a fully functioning e90 to have the heater on high and the tempreture change (drop) every so often? Is this a potential indication of a bad pump?
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