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  1. X3 E83 (2004 - 2010)
    This bolt looks like it supports the radiator - mechanic has sheared the top off. Will there be any issues other than more vibration and rattles?
  2. X3 E83 (2004 - 2010)
    Hello, I wanted to get some help and confirmation if I need to replace the whole radiator or maybe this is just the mounting bracket that holds the expansion tank. So far, I’ve replaced expansion tank, transmission thermostat, and upper radiator hose. Once I replaced the upper radiator hose...
  3. G30 (2017 - Current)
    Hi Everyone - 540D owner here. Is it normal for the radiator to remain on for around 5 to 10 minutes after the car is shut off? Never owned a diesel before. Couple things that may be worth noting: 1) Battery replaced in March 2) Check engine light came on in April 3) Charged battery...
  4. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Got a high temperature warning on my 335ix 2013 120,000 km (75,000 miles). Engine temperature 120 C (248 F). Before I popped the hood I noticed some steam coming out through the grille. After lifting the hood I could see engine coolant on top of the radiator. Car was still driveable for the 8 km...
  5. E90/E91/E92/E93 (2006 - 2013)
    Hey, I have a strange problem with the radiator fan on the E92 328i, I have searched all possible forums, and have not come across such a case: The engine heats up to a temperature of 93 degrees (water in the engine block), then the fan is started, which works at constantly higher revs and...
  6. 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...
  7. E36/7 Z3 (1996-2002)
    I’ve got a leak near my upper expansion tank hose and near the radiator hose going to the engine. I’ve noticed that when I drive the car more aggressively, it will leak more and even splatter under the hood. Any idea of what is leaking based on the picture?
  8. E39 (1997 - 2003)
    Hey guys. I recently changed the entire cooling system on my e39 and noticed that the new thermostat housing that was put has a two pin plug I guess for connecting a wire to it. I'm guessing it is the thermostat housing temperature sensor. My question is, do I require to connect a wire to it(...
  9. F80/F82/F83 M3 and M4 (2015 - Current)
    So I've had my 2019 M4CS less than 600 miles, and it threw a check engine light. My BMW dealer diagnosed it as coolant leak - the video: The front heat exchanger/radiator seems to have a rock chip, so they won't warranty it. Their estimate is $2450 to replace. Is there any way around this? The...
  10. X3 F25 (2011 - 2017)
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  11. General BMW Questions
    Hey guys, I have a 2000 BMW 323i with a bad coolant leak right behind the thermostat at the top of motor. Can see to good without removing a lot of things. I really need some help with this guys does anybody know what this. I believe it's on an aluminum part of motor. Really, Really need answers...
  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. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Hey guys, I have a quick question. So I have a 2018 330ix and im looking to upgrade the FMIC. But the more I look online the more confused I get. It seems only a few different companies make upgraded radiators and I cant find any intercoolers. Is this because its an air to water cooled system...
  14. Performance
    Local preferred. Looking to get rid of a CSF radiator, brand new. Part number 7064. I am in the NW Burbs, willing to meetup. $450.00
  15. E60 / E61 (2004 - 2010)
    Hello, I had tried to start my vehicle a few weeks back while the outside temperatures were about -5 and in my garage they were about 30 degrees or so. I had the hot air on for 10 minutes and it was not blowing any hot air out of the fan, and about 1 minute after driving it around the block I...
  16. E39 (1997 - 2003)
    hey guys , couple of days ago , i was parking home and i found that the temp. of the car on the dashboard went too high till the red zone, i switched the car immediately off and opened the hood and found lots of vapor and the water kept going out from the cap, i changed the thermostat since the...
  17. E39 (1997 - 2003)
    2003 525i Sprung a leak on the watchamacallit on the driver's side of the radiator (see attached image of watchamacallit circled and red arrow pointing to the leak on the plastic part where the upper hose attaches). Nathan's DIY indicates it is only crimped onto the radiator. Can it be...
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