Bimmerfest BMW banner

thermostat

  1. DIY: Thermostat replacement in details

    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...
  2. 2013 X5 E70 35i Water Pump and Thermostat replacement.

    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...
  3. Overheating 540i. Cold Radiator? HELP ME PLZ

    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...
  4. Rising Oil Level - My Story So Far....

    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...
  5. To change or not to change (thermostat)

    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...
  6. Kaboom! Radiator Hose blows! Again...and again.

    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...
  7. Overheating

    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...
  8. Two part problem-Coolant & Oil!???

    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...
  9. coolant temp low

    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...
  10. Water temp problem after changing engine Thermostat.

    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...
  11. Issue Diagnosis - Low Oil, Smell at Random, Low Smoke from Engine One Time

    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...
  12. 2010 E60 535i MSport 82K Mi, waterpump issues videos!

    E60 / E61 (2004 - 2010)
    Hi all, I recently hit 82k mi on my 2010 e60 535i. Today I got the dreaded cooling high fan and hi temperature warning on the screen. I've gotten the screen notice 4 or so times over the last 4 years but it always cleared immediately after a restart. This time I had the rad cooling fan blowing...
  13. Intake manifold runner control /solonoid

    E46 (1999 - 2006)
    2003 330i Automatic.. Car keeps going into limp mode after 4th gear.. Recently I replaced the Mass Airflow sensor and valve cover gaskets because when it sat for a few weeks it sprung a serious oil leak... It still uses oil and I'm not sure why.. Anyways after reading several posts and watching...
  14. Did I Kill my e39?

    E39 (1997 - 2003)
    Ok so it’s not mine, it’s my brothers. He has a 523i 1998. Now he is not mechanical at all and couldn’t care less about a car, or it’s mainenance. I know what a horrible person he is. Now I was looking in the engine bay yesterday and I noticed dried coolant everywhere. I didn’t know where the...
  15. 2008 535xi THERMOSTAT Coolant To Cylinder Head Hose

    E60 / E61 (2004 - 2010)
    OK guys I need some help I'm trying to replace my coolant hose that goes to the thermostat to the cylinder head of the engine, I have found several tutorial's for the RWD version on how to perform this but have not found any on how to perform this in the All Wheel Drive XI version. Can any one...
  16. F30 running cold- tst already replaced

    F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Hi- I recently had oil changed, spark plugs replaced and thermostat replaced on my 2013 328i (96k miles). Engine is still running a little rough at idle, fan goes mental when I shut car off and engine temp never reads above 160* no matter how long i drive. Since thermostat and plugs are new, I...
  17. Expansion tank T-stat removal: how to???

    E85 / E86 Z4 (2003-2008)
    Hi All, New member (actually for my son's car). The car is a 2006 Z4 3.0Si. I started replacement of the expansion tank due to a leak and when I was about to install the new tank I found the thermostat for the trans oil cooler is broken. I've ordered the part and in the meantime want to...
  18. M30 only runs correctly without thermostat

    E34 (1989 - 1995)
    I purchased my 1990 535i about a month ago and everything was fine until yesterday when I noticed it was overheating.The thermostat cover was leaking and after taking it off we find that there was no thermostat there. We put in a new one in and it wouldn't circulate the coolant and kept getting...
  19. How to diagnosis overheating cause?

    E60 / E61 (2004 - 2010)
    My 2007 530xit (60k miles) overheated last week, first with a yellow then red warning light. The local BMW repair shop tells me I need a water pump and thermostat replacement to the tune of $1200. I had no problems with the car, cooling or otherwise, till last week when I found myself stuck in...
  20. 2011 X5 3.5i engine overheat warning, is it the water pump?

    X5 E70 (2007 - 2013)
    Hi, My 2011 x5 3.5i had an engine overheat warning shown last Friday on a cool day. Just a few days earlier, I had noticed that the fan had turned on frequent loops for running 7-8 seconds at very high speed (made loud noise), then shuts off for ~10 seconds. It became quite annoying. I...
Top