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heater core
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  1. E90/E91/E92/E93 (2006 - 2013)
    Hi. I'm new to this forum and I'm also frustrated with and tired of trying to get my issue sorted. It's been haunting me for almost 2 years now. The heater on the driver side doesn't seem to work properly - especially through the footwell and very right hand side vents. I have an e90i 2007...
  2. E39 (1997 - 2003)
    Hey everyone, 2002 530I Set temps to 90, and three red dots, no heat. So I replaced the thermostat (and the water pump since I was there), no change. Next I replaced the heater control valve, I did check to make sure that water was going to the valve, still no heat in the car. Don't have any...
  3. E90/E91/E92/E93 (2006 - 2013)
    Hi I have a 2010 318i tourer. Unfortunately the heating and air-con hardly works. The heating barely gets warm when I put the temperature up to maximum and the dials turned to red; and the ac barely does anything with the snowflake on and the temperature down to minimum and the dials turned to...
  4. E34 (1989 - 1995)
    Antifreeze fluid leak found near inside LF tire and center of radiator. Possibly cracked radiator near spigot. One mechanic suggested that it may be the heater core gone bad. Have heard that the entire dash must be removed to get to the heater core. Any DIY advice; diagram; how to video on...
  5. E60 / E61 (2004 - 2010)
    Currently dealing with my wife’s 2007 525i. We had quite a few problems over the last couple months, and hopefully not related. Just replaced crankshaft position sensor and transmission fluid - the CPS had thrown more than 8 codes, but after replacement all disappeared. However, the heater has...
  6. E36 (1991 - 1999)
    Hey guys I am going to be bypassing the heater core because I think it is clogged with **** and not letting coolant flow and making the car overheat. I dont want to order a block off plate for the back of the head and at the firewall just yet. Was just wondering if I could just connect the inlet...
  7. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Just found out I need a new "heater core" on my 335. It has only 70k in mileage. It seems like this is a design flaw. Has anyone had any success getting a dealer to acknowledge that and give you a break on the service costs (which I understand are over $2k)?
  8. E39 (1997 - 2003)
    I'm wondering what the inner diameter of these hoses are. Three hoses going to the heater core:
  9. General BMW Questions
    Hey looking for some direction on solving issues with heat in my 2007 BMW 328xi Let's start at the beginning. My car started overheating on longer drives in the summer. I replaced the thermostat but the problem persisted. I started to think I had a blown head gasket and put "blue devil...
  10. E90/E91/E92/E93 (2006 - 2013)
    Hey looking for some direction on solving issues with heat in my 2007 BMW 328xi Let's start at the beginning. My car started overheating on longer drives in the summer. I replaced the thermostat but the problem persisted. I started to think I had a blown head gasket and put "blue devil...
  11. E30 (1982 - 1993)
    The "no heat" thread from Jan 2015, including the link it contained to the BavAuto blog on this topic, was useful as I tried to figure out why I had little or no heat following a coolant change. The problem ended up being trapped air. I discovered I could have avoided this annoying and...
  12. E90/E91/E92/E93 (2006 - 2013)
    Hey all, My '09 328i heater isn't working. I believe part of the heater core is blocked or the heater control valve is bad. I have some heat on the passengers side but luke warm air on the drivers side. Whenever the A/C is started a slight vibration is felt, and a blast of warm air usually fogs...
  13. E90/E91/E92/E93 (2006 - 2013)
    I have recently had a coolant leak from a bad lower radiator hose. One of my signs of the leak was a coolant smell coming through my vents off and on as I drove. I had the hose replaced. It's only been 1 day since the fix but I still have the smell coming through my vents and it's stronger than...
  14. E39 (1997 - 2003)
    So the 528 wagon was out for the day when I walked into the garage and found a bright green oil stain. Crawled underneath with the torch and this is what I found: I don't see any oil on the body of the transmission. It appears to be coming from the rear - i suspect it must be the rear...
  15. E34 (1989 - 1995)
    Hello, I apologize if I am not posting this in the correct area and I apologize for being long winded. I replaced the heater core in my BMW after it sat for 5 years and it continues to overheat within 10 minutes. I replaced the thermostat and the plastic bleeder screw. The only thing odd about...
  16. 7 Series DIY
    I have a 2003 745i N62. I have replaced the coolant pipe, valley pan and valley pan gasket, intake manifold gaskets, water pump, and inlet pipe. Unfortunately, I have a heater core issue now. There is a coolant leak under the vehicle, passenger side floor/carpet is soaked, and I have...
  17. E36 (1991 - 1999)
    All right guys. I am losing my mind here. When I got my 93 E36, the heater was not working. The blower works, so I assumed it was the heater core. I replaced it. Nope. Heater blower motor resistor. Nope. Heater control valve. Nope. And the Climate control panel. That didn't do it either. I...
  18. E46 (1999 - 2006)
    Hello, everyone! So, we've begun to smell anti-freeze inside the cabin of our 2002 325i. My search in this and other forums indicates we will likely have to replace the heater core. In order to get to the heater core, it looks like we'll have to pull the dashboard. Erk. I followed this link...
  19. E36 (1991 - 1999)
    Hello! I have a 1997 328ic that I love. It needs a heater core replacement. (coolant leak, started to overheat, low coolant, fumes coming up through the dashboard...) BUT My problem is, I can't tell if I'm being ripped off on the cost of the part. I think I might be. I know labor will be...
  20. E36 (1991 - 1999)
    help i need either a video of the process or diagram and guidelines
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