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Discussion Starter · #1 ·
My heater works great and blows nice and hot except for when I change vents to upper level. The defrost and low vents are hot but change to cold or possibly outside air when selected to upper vents. Does anyone know if there is a quick fix?
 

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Discussion Starter · #3 ·
hi

Okay I don't think I stated my problem clearly enough. But, with both knobs turned all the way to hot and the heater on defrost it works fine it also works fine with vents at the feet. But when I turn the vent knob to the middle vents, you know the ones that blast in your face, The air all the sudden turns cold. The heat works fine except when on one certain vent, then it turns cold.
 

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Hm that's a bummer. Probably one of the flaps/motors stuck ... I had the same thing with my e34. :( Went the whole of last winter only getting warm air to my feet.
 

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Discussion Starter · #5 ·
kinda what i was thinking

Thanks for the reply. I see your on almost every post I looked at so far. You must be pretty experienced in these cars. I have only had mine for 3 months. I bought it for $2900. It only has 103k miles on it and its a 92 325is. It runs great but seems to lose its power at higher RPMs. It seems maybe its ready for a new chain. I noticed also that a lifter or something sticks when it starts cold. Really cold. One more thing, my heater smells like coolant when it is on, but not when a/c is on. The whole entire coolant system has just been replaced. Is there something easy to fix this? I know air freshners don't work. Thanks for all the help
 

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Thanks for the reply. I see your on almost every post I looked at so far. You must be pretty experienced in these cars. I have only had mine for 3 months. I bought it for $2900. It only has 103k miles on it and its a 92 325is. It runs great but seems to lose its power at higher RPMs. It seems maybe its ready for a new chain. I noticed also that a lifter or something sticks when it starts cold. Really cold. One more thing, my heater smells like coolant when it is on, but not when a/c is on. The whole entire coolant system has just been replaced. Is there something easy to fix this? I know air freshners don't work. Thanks for all the help
Probably a dripping heater core; honestly unless it's really bad and also leaking all over the place, I'd leave it ... pretty much the whole lower part of the dash has to come out; but that said, once you have that out, it should be no problem finding why you don't have heat to certain vents.

As for the chain: they are lifetime and don't need to be replaced; probably a tensioner rattling.

btw, sounds like a great deal ... good price, a little bit of work and you got a great car.
 

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Discussion Starter · #7 ·
great shape

Yeah the car is in great shape considering its age. It has a faded hood because the owner left the wax on in the blistering sun. Beyond that it has a great running motor that doesn't miss a beat. The only thing is the ticking that comes from motor at strartup which eventually goes away after a few seconds. Also, I was hoping you wouldn't say heater core. I bet thats why he sold it. I wonder if it wasn't replaced correctly. Is there any way for the core to leak by faulty installation? The reason I ask is because the whole entire coolant system was replaced and he said it had no issues overheating. I didn't question the guy as he really really really took care of this car down to every minor detail. I still have the tool kit and spare that have never been touched. The interior is in pretty good shape but the plastic odds and ends fall of from time to time. Its like a puzzle sometimes. I guess a heater core will give me something to do on it. I have torn out many dashes and have removed many dashes so I am kind of skeptical. What about some kind of sealant? Or would it still have an odor unless torn apart and cleaned up? Again, Thanks for the replies.
 

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Wow great look and style, its really very impressive and stylist. Seems a very high performance car.
 

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Discussion Starter · #9 ·
nice car

Yeah Torque that car looks really nice. I like the lowering you have going on. Could you please provide details on your lowering. I have been wanting to lower mine but it runs so smooth I haven't messed with it. However, I think the car looks ten times better. Mine is a 2 door though so it may look a little different. I like the four doors better myself. I have always been a fan of lowered 4 doors.
 
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