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Warm tip:
1.It comes with o ring. The green o-ring as shown in picture. If the O-ring of the new item is not suitable, you can use the O-ring on the old sensor. Or you can apply to replace a new O-ring.
2.when changing the temp sensor it is not necessary to do a coolant flush
3.Remember to reset the Car computer with high-end OBD scanner or else it may not work properly.
4.You will want to have some coolant because removing this sensor will drain out coolant. Be sure to refill and bleed your coolant system.
If you have to add coolant every week check the outlet on the bottom of the radiator for your BMW. There's a very good chance that after a couple hundred thousand miles the o-ring on your temperature sensor is worn just enough to cause a leak.
Keep your radiator and reservoir cap on while doing this. Remove the sensor wire from above. Place a pair of long needle nose pliers and grip the center of the existing sensor edge. Depress the two ears and pull straight out. There will be very little spillage so don't worry about getting air in your system. Insert the new sensor with the knob on the top facing out from the front of the vehicle. Replace the thermostat wire connector. Open the cap on the reservoir for coolant and (P h i l) so the probe is sticking up a couple of inches.
Fitments:
For BMW 128I 2008-2013
For BMW 320I 2001-2005
For BMW 323CI 2000
For BMW 323I 1998-2007
For BMW 323IS 1998
For BMW 325CI 2001-2006
For BMW 325I 2001-2006
For BMW 325XI 2001-2006
For BMW 328CI 2000
For BMW 328I 1999-2013
Fitments:
For BMW 328XI 2007-2008
For BMW 330CI 2001-2006
For BMW 330I 2001-2006
For BMW 330XI 2001-2006
For BMW 525I 2001-2007
For BMW 525XI 2006-2007
For BMW 528I 1999-2000
For BMW 530I 2001-2007
For BMW 530XI 2006-2007
For BMW 540I 1999-2003
Fitments:
For BMW 545I 2004-2005
For BMW 550I 2006-2010
For BMW 550I GT 2010
For BMW 645CI 2004-2005
For BMW 650I 2006-2010
For BMW 740I 1999-2001
For BMW 740IL 1999-2001
For BMW 745I 2002-2005
For BMW 745LI 2002-2005
For BMW 750I 2006-2011
For BMW X5 2001-2013
For BMW 750IL 1999-2001
For BMW 750LI 2006-2011
For BMW 760I 2004-2006
For BMW 760LI 2003-2011
For BMW ALPINA B7 2007-2015
For BMW ALPINA B7L 2011
For BMW M3 2001-2006
For BMW M5 2000-2016/For BMW X6 2008-2011
For BMW M6 2006-2017/For BMW Z4 2003-2010
For BMW X3 2007-2010/For BMW Z8 2000-2003
Bilal Khattab
Reviewed in the United States on February 20, 2025
I send it back because I found that the issue wasn’t the sensor but honestly it looks good quality
Paul
Reviewed in the United States on December 29, 2024
I bought this because the temp sensor on mine sprung a leak. I hadn't heard the best things about these Amazon parts, so I just used the o-ring from this with my original sensor since mine was still good. So far so good, no leaks after 500 miles so far.
Customer
Reviewed in the United States on May 10, 2023
my e60bmw have suffered from partial overheating and temperature fluctuations regularly for almost a year now, i have bought and changed 3 thermostat 2 temperature sensor all bought from ebay. but after i bought and installed this high quality part from Amazon my cooling system has been stabilized no more temperature fluctuations my radiator fan kicks in with precision and i now enjoy my e60 bmw. i highly recommend.
Andy Weiss
Reviewed in the United States on February 3, 2023
Nice easy fit and no trouble codes. Temperature reads accurate.
jacor carter
Reviewed in the United States on June 29, 2022
Purchased for e46 fits perfectly in the space but the seal is no good coolant came out immediately. Buy from autozone or oreillys or dealer
Samuel Hernandez
Reviewed in the United States on December 17, 2020
Does what it is supposed to. My old sensor wasn’t working. My auxiliary fan wouldn’t turn on. Replaced this sensor and works fine now. Works great for the price. When I first installed I was concerned because it felt a little loose with the o-ring but hasn’t leaked at all so works fine.
Muhammed Yilmaz
Reviewed in the United States on March 19, 2019
Perfect product it was exactly what I was looking for. For the price the quality was exceptional indistinguishable from OEM.I have a BMW Z4 and what tends to happen with these coolant sensors is that the O ring around it starts to wear out and get deformed so it lets coolant through and out the sensor under pressure. I popped this one on real quick and had no problems whatsoever after. I can't talk on durability is I've only had it on for a few hours but to my eye it look like it would last for a while.For anybody wondering how to test the pressure and find the leak in a cooling system get yourself a coolant system pressure tester ( AutoZone usually has a loaner tools for this ). pump up the pressure as much as you can not passing 10 psi which if you have a least you won't be able to anyways. And as you're pumping look and listen for any coolant coming out of any hoses, radiator, sensor, or even engine. If you have a coolant leak you won't even be able to put any pressure. If you don't have a leak and or to test if you fixed it you should sustain at least 5 or 10 psi without losing any pressure. Just make sure when you testing it you don't pass 10 to 15 psi as it's not needed and you could damage something. I hoped it helped someone
J-Rad
Reviewed in the United States on March 21, 2018
I installed this in my 2012 Mini Cooper Countryman S. The car was throwing the code for coolant temp sensor. I popped this one in, cleared the code from the car with a simple code reader and it has been great. I originally purchased a sensor from the dealer. They used the VIN to let me know which sensor I needed. The dealer was wrong but not really their fault. Some of these cars had revisions mid production and they put a different sensor in them. Our VIN called for a sensor that has an angled plug coming off of the metal base but that does not work. The straight plug I bought here works. Hopefully this helps if you are in the same predicament I was in. The only thing I had to do to this part in this listing is the tabs on the side that lock the part in place where ever so slightly to big. I filed the plastic on the tabs just a tiny tiny bit and this part snapped right into place. I just finished a 700 mile road trip with the part from this listing and zero issues. Just a side note which has NOTHING to do with this part. There are other plugs you have to remove to get to this part. If you do not get them plugged in all the way it will cause computer to throw a new code for "Crankcase breather Circuit Open." Make sure you get all of your small plugs pushed back together VERY well and it will fix that code. In the pictures the angled sensor is the one from the dealer and the straight sensor is the one i removed from my car. Dealer said this part is located in the thermostat housing but that is not correct either. This sensor is located in the metal elbow located just next to the thermostat housing. I included a picture of this as well. The mid year revision to these cars made this way more complicated than it had to be Shame on Mini Cooper for not updating their system to show the actual parts these cars need.
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