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01-25-2004, 04:04 PM
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#1
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1st Gear Newbie
Join Date: Apr 2003
Location: Winnipeg, Manitoba
Posts: 17
Car: '88 325is, '98 318is
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Low Heat
Hey guys, I'm having a problem that's got me stumped. A few days ago my heater decided it doesn't want to pump out as much heat as usual. The car gets to normal operation temp at the normal rate, and holds it, so I'm pretty sure it's no the thermostat. Usually when I have the temp slider on max I have to turn it down right away because it's way too hot, but now it's just blowing warm air, not hot air. btw, my car is a '98 318is.
What could the problem be? I don't really think it's the microfilter, because it still blows air, just not hot air. Also it doesn't matter if I set the temp slider all the way on hot and then the climate control to 32C it's still not as hot as usual.
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01-26-2004, 07:18 PM
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#2
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4th Gear Member
Join Date: Mar 2003
Location: some terrestrial planet
Posts: 663
Car: E30, 318i, 84 (project restoration)
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^^
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Mad E30 lover
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01-26-2004, 07:54 PM
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#3
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moderationistismingly
Join Date: Dec 2001
Location: Bradford, ON
Posts: 8,792
Car: 97 328is-02 Impreza
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Your heater core could have a blockage, not allowing enough hot coolant to get through it. That's my best guess.
__________________
"Driving is like a narcotic, an addiction that can take over lives. It ruins people, breaks families apart, and even kills. It’s habit that needs to be fueled. Time, money, rationality, sweat, knuckle skin, and anyone who disapproves are of little importance to a driver, and are often overlooked. Hi, I’m Nelson, and I’m a drivaholic."
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01-26-2004, 09:24 PM
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#4
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Moderator
Join Date: Jan 2002
Location: Toronto
Posts: 2,142
Car: 1987 325is
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What's your temp gauge reading: Is it normal or is it reading lower...
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01-27-2004, 05:42 AM
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#5
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2nd Gear Member
Join Date: Dec 2003
Location: Oakville/Kingston Ontario
Posts: 161
Car: 2002 JeepTJ/2004 M3
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may be the heater core that is going...
have it checked out by your friendly local bmw dealer 
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01-27-2004, 11:20 PM
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#6
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4th Gear Member
Join Date: Mar 2003
Location: some terrestrial planet
Posts: 663
Car: E30, 318i, 84 (project restoration)
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My heater doesn't doesn't release much heat either. I figure its a valve, plug, leak or blockage somewhere. So until I get a vacation to get dirty in elbow grease I've just been driving spiritedly to get sudden bursts of heat.
__________________
Mad E30 lover
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