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thermostat

  1. E39 (1997 - 2003)
    Hi guys and gals I have an issue with my Thermostat, the problem is that it doesn't open, the car doesn't over heat I have changed the rad to an upgraded rad which is a performance rad which doesn't have the plastic on the side as every year my rad starts leaking on the top corner which I was a...
  2. E63 / E64 6 Series (2004 - 2010)
    While replacing the upper coolant hose on a 2005 645Ci (6 speed manual), I ran into a little problem with one of the smaller hoses in that assembly. The longer of the two smaller hoses that runs from the water pump connection to something at the bottom of the radiator is difficult to pull the...
  3. E60 / E61 (2004 - 2010)
    I recently purchased a brand new Borg Warner OEM replacement for my 2007 550i from FCPEuro.com after realizing i needed to replace the water pump and water pump pulley. On my way to work a few days ago the upper coolant hose had so much pressure it popped and so i replaced that. today i ran...
  4. E90/E91/E92/E93 (2006 - 2013)
    I have a 2011 335i sport package with the n55 I change both the pump and thermostat. How ever my system wouldn’t self. Bleed the car it ran fine then the next day over heated found it was the thermostat circuit open. Just put a new thermostat in and still no self bleeding car started fluids...
  5. 3 Series & 4 Series
    Pump my new pump in worked then the next day started to get hot. So I’m guessing thermostat. What’s your guys thoughts on this company / brand. Good or crap ?
  6. E39 (1997 - 2003)
    I’ve got a 2002 540i with 90k miles on it. Let it idle in the driveway to warm up while waiting to go somewhere, and it overheated, the needle went as far right as is possible. Has never done this before. No coolant on the ground anywhere. I opened the expansion tank, and there was no pressure...
  7. X3 E83 (2004 - 2010)
    Hi. I successfully replaced the cracked Expansion Tank last week but when I took it out, I realized that the thermostat was cracked/broken to, but since I didnt have a replacement for it, I installed only the tank. Did all the process of bleeding the system and everything looks good, no alerts...
  8. E60 / E61 (2004 - 2010)
    Hi, all. Time to give back, here, as these forums have always been so helpful. The repair: water pump and thermostat replacement on an AWD E60/N52 5-series (2007 530xi). I think this procedure is similar for E60 and E90 models with either N52 or N54 engines. Regardless, the procedure is quite...
  9. 5 Series
    Hello! I recently changed both my thermostats since it was not getting warm enough. When I did this, i poured in(what i thought was 100%) coolant. Everything worked fine. Temps in the 90's and stationary 97, then it opened up en cooled it back to 92. Driving to 90 and so on. Also on highway and...
  10. E39 M5 (1998-2003)
    Hey guys, This forum seems very slow but FWIW I made a video replacing the thermostat a while ago and figured I would post it. Hope it helps someone! It wasn't as bad as it sounds... Just get the thermostat housing cover and save yourself the hassle of pulling the old gasket etc... It was like...
  11. X5 E70 (2007 - 2013)
    This is not a step by step. Sorry for those looking for one....if needed email me at [email protected] for one if needed..... That said, did this job tonight. Couple of things: Get to the thermostat and pump from the bottom. Use jack stands etc. or a lift. Make sure you have a 1/4 inch...
  12. E39 (1997 - 2003)
    I have searched but cannot find a thread that solves my problems without throwing money at it. Backstory: Replaced radiator with a cheap aftermarket one last fall because the old one was leaking. Was find until about last month when it started popping hoses off. 4 times total, 3/4 were right...
  13. 7 Series - E65 / E66 (2002 - 2008)
    Dear fellow car detectives, Despite testing the edge of my patience, my bank balance, and my wife’s anxieties, I am ‘embracing’ a very long journey to get to the bottom of a very obscure problem. I will share it with you in detail. If anyone has experienced anything similar and can shed any...
  14. X5 F15 (2014 - 2018)
    Driving home in my 2014 X5 35i xdrive turned on my windshield defrost fan kicks on like its trying to take off oil temperature is not even registering noticed power loss. Parked car turned off and on fan stopped spinning up drove a little got error U1408, P0128 (cooling temp below thermostat...
  15. E36 (1991 - 1999)
    Sitting at light, never had any problems with engine (coolant temp dead center, always)...boom! Top hose pops off radiator. Replaced thermostat and water pump. Same problem. To radiator hose gets hot and hard, then pops! If I loosen radiator cap, the pressure relieves (though the water...
  16. X5 E53 (1999 - 2006)
    2004 BMW X5 3.0. I had the valve cover gasket and thermostat replaced last fall. Vehicle sat for 6 months, started driving again. Added 1/2 qt of antifreeze that was clear to top off, said for Mercedes on the container. Previous fluid was green. Vehicle now overheats quickly, turning on heater...
  17. X1 E84 (2011 - 2015)
    I have a 2014 BMW X1 Sdrive. I purchased about a month ago, it had a great service record... always serviced at the dealership on time. So everything appeared great, until I was driving up to Park City, Utah. The car over heated I pulled over and had it taken back to my house. It pulled the code...
  18. E90/E91/E92/E93 (2006 - 2013)
    I have a 2007 328xi. As the weather is getting colder (right around freezing temperature), I notice that my heater only blows lukewarm air. Coolant level is ok. I checked the coolant pump fuses, and they are ok. I get two codes 2E84 and 2E85 which both say "coolant pump, communication." Also the...
  19. E46 (1999 - 2006)
    Hey guys, i've recently bought a 2005 320d E46 touring and I have a problem with water temp. First of all, the water temp needle on speedometer hardly ever reached 12 o'clock and on highways the needle dropped to about 1/4. I've changed the engine thermostat and now the needle is almost at 12...
  20. E90/E91/E92/E93 (2006 - 2013)
    Hello everyone! I've heard great things about these forums and hope I am in the right place. I'm a relative novice when it comes to the inner workings of cars (unfortunately) but I wanted to post here and see if anyone has any ideas on my 2012 BMW 335i that just recently hit 100K miles. The...
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