BMW E46 318i: M43 Engine Temperature Sensor Replacement

Рет қаралды 129,090

5 жыл бұрын

The engine temperature gauge has been showing red even from a cold motor so I suspected the engine temperature sensor has failed. In this video I go through the steps to replace the sensor.
Note: My videos are not a tutorial/how to. I am not a qualified mechanic so please refer to your workshop manual with your work. Do not use the content on my channel as a replacement for a workshop manual or mechanic.

Пікірлер: 101

@shamusbarringer6863 3 ай бұрын

Hi, you Sir are a lifesaver! I have just bought the same car, it's 25 years old with only 66340 miles on it. Following you I am doing the full service changing all the fluids gear box included I would be stuck without you. You are my hero, thank you. 😁🤟✅

@rovertasmania7033 3 ай бұрын

Thanks but remember these videos are how I do things, im not a mechanic. So of course always refer to the manual ;)

@mariogaray9713 5 жыл бұрын

Hi Robert, my name is Mario Great video! I’m an e46 318i owner from Sydney... I really appreciate your work.. there aren’t many videos out there working on this BMW model, most are on 325 or 330, but this is, I think, is the only Chanel on this 4 cylinders M43 engine... please keep posting, I would really appreciate it.. thanks for your time and effort.

@rovertasmania7033 5 жыл бұрын

Thanks Mario. I noticed that too, nothing really on these smaller engines do did figure my vids may be of use. Cheers, Ps - my name is Carlos ;)

@mariusspataru9151 2 жыл бұрын

@@rovertasmania7033 11.ddd

@MojoCuba 6 ай бұрын

Indeed. The mighty 23 year old m43tu in my e46 thanks you aswell 😬

@Bemaritohtori Жыл бұрын

Thank You for excellent video! This is actually so far the best instructional video for removing upper intake manifold on M43TU E46.

@dennispavelow6835 Жыл бұрын

Thanks for the video. I fixed the same problem with your help today. Needed about 1.5 hours for that job.

@douglasmellon9939 5 жыл бұрын

Thanks for the video. Seeing other people work on their car always gives me more confidence to work on my own. Keep up the good work

@rovertasmania7033 5 жыл бұрын

Thanks Douglas. I am the same, im a visual learner so use youtube to learn new things, like framing a house at the moment :)

@E36tyler 4 жыл бұрын

Thanks so much for this video! This seems to be the only one out there. I appreciate you taking the time to show everyone how it’s done. I think it’s relatively the same process for the M44. At least I hope lol! Thanks for the help man! Can’t wait to replace mine

@rovertasmania7033 4 жыл бұрын

Thanks for your comment, great to know it can be of help. Good luck with yours.

@mehmetelis5401 10 ай бұрын

Merhaba sorun tam olarak neydi neden ısı müşürünü değiştiniz

@politenare4845 Жыл бұрын

Detailed and clear video . The best

@ikhlas7957 Жыл бұрын

Thanks the tutorial worked like a charm! I used 22mm 1/2 to remove the sensor.

@HATHORFLUX 3 жыл бұрын

Thanks for sharing your knowledge on this engine, I did not know about that particular sensor before watching this video, also there you showed how to replace an air pipe that I have to, and you just pulled it off in the intake dismounting process, well done, you also taught me how to change that pipe , thank you! awesome !

@rovertasmania7033 3 жыл бұрын

Thanks for your comment, glad my vid helped you.

@patmarciano2882 4 жыл бұрын

The video was great! I fixed the same problem and followed your video. Very helpful. Thank you.

@tasislandantics 4 жыл бұрын

Fantastic to hear you fixed it... glad the vid helped.

@clementchishimba180 4 жыл бұрын

i did not know about the temperature gauge until now thanks for the video

@rovertasmania7033 4 жыл бұрын

You're welcome.

@mixalislouvis2529 2 жыл бұрын

Chears Mate...thanks from Greece!!!

@Raybluecoworiginal Жыл бұрын

Thank you. Still helping people 👌🏻

@rovertasmania7033 Жыл бұрын

Only paying it forward as others helped me on KZfaq too 👍

@toxicmonsterz7470 2 жыл бұрын

AHHH I LOVE YOU i searched so long for this fu**er and i couldn’t find it

@DSKim-ej5uf 4 жыл бұрын

Very nice video ! 잘 감상하게되어 감사합니다

@PoneyGonflable 3 жыл бұрын

Thanks man, what a god damn job just for a sensor. Nice video

@rovertasmania7033 3 жыл бұрын

Yep sure was a pita! Cheers

@lungualina2226 Жыл бұрын

Thanks a lot !

@lingkarusak 8 ай бұрын

Hey man, great video. I wanna ask, can i still use the car when the ect sensor is still fail? Thanks

@rosnizamabrashid6170 Жыл бұрын

What size spanner is needed to open the sensor? Please help me. Tq sir.

@iancurrie186 Жыл бұрын

Hello can you tell me if your 318i have to fans. Thanks

@atheerakram4055 3 жыл бұрын

hello dear sir , i just wanted to ask you i have the same problem in my car and i want to order this sensor the question is . is it called oil temp sensor or coolant temp sensor ? thanks for your hard work ❤

@dophanit89 3 жыл бұрын

Thanks sir, i'm live in vietnam and i change finish thanks

@rovertasmania7033 3 жыл бұрын

👍👍

@fuzzy-02 4 ай бұрын

Hey man, can you tell us the names of the tools we need to do this? So I can google them to buy them locally.

@MetalArrow 4 жыл бұрын

Thank you for this excellent video Mr. Robert. I myself own a 518i E34 with a similar M43 engine and might just have to replace my coolant temperature sensor too. I had one question in mind; Is it crucial to know the exact Nm when tightening the upper intake back again?

@rovertasmania7033 4 жыл бұрын

I just usually check to see if there are torque specs, but usually small bolts are not so use correct judgement to determine how tight.

@tspark1071 4 жыл бұрын

Thanks. What error code is shown on the scanner if this sensor went defective? In my case the ect sensor was replaced against code p0116, but the error code remains and engine doesn't start intermittently. Probably I was wrong.

@rovertasmania7033 4 жыл бұрын

Cant remember what the code was sorry. I generally look at the codes as a potential guide, but don't trust them. I just diagnose the issue, guess I'm old school.

@alexbabtan2395 2 жыл бұрын

How were u able to unscrew that thing??? I have literally no acces to it

@cjyt6491 2 жыл бұрын

Subbed great video I need it done but looks a nightmare 😫

@rovertasmania7033 2 жыл бұрын

Yep it is hut well worth it of course. Also can do by taking off intake manifold.

@lesafighter 3 жыл бұрын

nice job ,im about to do the same , can you tell me if there is new gasket needed for the intake manifold reassemble?

@rovertasmania7033 3 жыл бұрын

I didnt remove the manifold at all, just squeezed my hand inside after I removed the coolant hose elbow (as in my vid). If your going to remove the manifold, then I would think there is a gasket, check realoem.com for parts needed.

@lesafighter 3 жыл бұрын

@@rovertasmania7033 ok thanks for the answer, did it yesterday, new gasket was not needed ;)

@bimmer3240 3 жыл бұрын

Nice video dude. My e46 320d keeps the engine fan on all the time and the temp goes to red as soon as I start the car . What sensor shout I replace?

@rovertasmania7033 3 жыл бұрын

Sounds like the same temp sender. Look up realoem.com for parts listings.

@mecanicoenespana9628 3 жыл бұрын

Muchas gracias

@rovertasmania7033 3 жыл бұрын

De nada loco :)

@kubenmv4385 3 жыл бұрын

you r my god thank you!

@rovertasmania7033 3 жыл бұрын

🤣🤣 thanks

@isrealperez9069 3 жыл бұрын

What causes low input my ect

@antonioespinozatorre Жыл бұрын

Solo a los ingenieros de bmw se les ocurre poner un sensor de temperatura relativamente incomodo de cambiar, algo tan importante como eso debería de estar mas accesible como en todos los carros

@user-dx4lt4pc2f 10 ай бұрын

شكرآ على الفيديو الرائع ولكن كيف أضبط حراره المحرك في المناخ الساخن مثل صحراء أفريقيا

@admiremandiringana556 Жыл бұрын

thank you for the tutorial, what are the symptoms of bad temp sensor ?

@rovertasmania7033 Жыл бұрын

The temp gauge needle went to RED when engine is cold.

@rovertasmania7033 Жыл бұрын

@Dr. Fill Gut It could be, just disconnect and try it out.

@LARYNX4OUR5IVE 3 жыл бұрын

Hey mate, mine does similar but doesn't have any problems starting or driving. Could mine possibly be only the one on the radiator hose that needs replacing?

@rovertasmania7033 3 жыл бұрын

The one in the radiator hose is to trigger the thermo fans for the aircon, or turn off the aircon after certain heat (cant remember). Your problem could also be something else, perhaps a faulty gauge or other issue... need to check your codes.

@LARYNX4OUR5IVE 3 жыл бұрын

@@rovertasmania7033 how do I check them?

@rovertasmania7033 3 жыл бұрын

LARYNX OFFICIAL u You need a code reader. Look them up, they are cheap nowadays.

@LARYNX4OUR5IVE 3 жыл бұрын

The sensor you took out looked slightly different to the one you put back in is that fine ?

@thamimanyosi3384 3 жыл бұрын

Thank you I was not aware of the Engine temp sensor. Great job.👍

@thembamdluli1218 4 жыл бұрын

Thanks man for your help till next time i have enjoy the way you show how to fix that promblem

@rovertasmania7033 4 жыл бұрын

Thanks for your comment, I appreciate it.

@alinsica1729 4 жыл бұрын

Hi,i have the same problem but i change this sensor and now the water stay in the same position on red.what can i do?

@rovertasmania7033 4 жыл бұрын

Have you tried clearing the codes? On mine, i turned the ignition on but not started the motor. The gauge needle slowly went back to cold as it was a cold engine.

@Seba92Mx 4 жыл бұрын

Hi Robert. There is no need to drain out cooling fluid?

@rovertasmania7033 4 жыл бұрын

No, mine didn't loose coolant. Carlos is my name, lol I think Rover gets confusing with Robert.

@mattmechanic3221 5 жыл бұрын

Hello :) I have that same problem but a cant start engine. Temperature gauge going max. I must make several time ignition switch and i can engine start. Many people in internet was sayd its DDE problem. I dont know everything i checked.

@rovertasmania7033 5 жыл бұрын

Replace this sensor and it may be resolved. I had similar problem, when sensor was bad it was hard to start the car after stopping for a while, engine still warm but needed several cranks to start. Now in have no problems, so first change the sensor then see if the problem persists.

@calusaru88 4 жыл бұрын

Hello I chanfe the sensor, but water temo goes on red,and car not start. Not conect whith on obd...can you help me.

@isrealperez9069 3 жыл бұрын

Temperature gauge slowly reaches to normal operating temperature but never goes to red I suspect it's my thermostat can you tell me what sensor control the on the cluster

@rovertasmania7033 3 жыл бұрын

That sounds like normal operating temperature, why would you think it goes to Red? Mine jumped to Red even when engine cold, and to max needle position. Your scenario sounds different.

@isrealperez9069 3 жыл бұрын

@@rovertasmania7033 well I have p0117 code engine coolant temperature changes between 99 C to 94 c am using app call torque and have pending code

@mehmetelis5401 10 ай бұрын

Merhaba sorun tam olarak neydi neden ısı müşürünü değiştirdiniz

@danielkiruri4882 3 жыл бұрын

Unless you have the engine codes to that I would go to flushing the radiator first oil change catalytic converter blockage then the sensor

@k444kk5 2 жыл бұрын

👍🏻👍🏻

@SkazaTV 4 жыл бұрын

did you have to drain any coolant?

@rovertasmania7033 4 жыл бұрын

No, i didn't touch it at all and checked the level, made sure no air was in system afterwards.

@SkazaTV 4 жыл бұрын

@@rovertasmania7033 oh thanks.

@jekke8719 3 жыл бұрын

did the machine run normally before replacing the sensor

@rovertasmania7033 3 жыл бұрын

Yes, except on start up when cold it sometimes took a bit to start.

@MrCS-81 4 жыл бұрын

Is it reachible from underneath ?

@rovertasmania7033 4 жыл бұрын

No, only from the top.

@MrCS-81 4 жыл бұрын

I did it thanks with the right tools Tools more then €100,- Sensor €20,- / €30,-

@jAyl0rd 3 ай бұрын

Some of the most beautiful cars in the world.. but such a pain in the ass to fix even the dumbest problems!

@rovertasmania7033 3 ай бұрын

100% agree, but then again they never engineered them to last this long, pitty really.

@DvDtvcinema 4 жыл бұрын

Very good video ! But not need to drain coolant before ?

@tasislandantics 4 жыл бұрын

Thanks. I didn't drain and no coolant leaked out for me.

@MrCS-81 4 жыл бұрын

Pls help was the code p0116 ?

@rovertasmania7033 4 жыл бұрын

Cant remember, BUT if you have the temp gauge showing red and the engine isn't, then this is the sender unit to replace. No its only accessible from the top.

@MrCS-81 4 жыл бұрын

Rover Tasmania thank you so much 👍🏻

@MrMatobe 4 жыл бұрын

i have a problem when cold start .... the rpm drop from 1000 to 400 and then going up back to 800 after the ac kick in .... then the rpm slowly rising up to 1000 and after few minit it stablize back to 800 ..... some ppl said it was a sluggish rpm because of the fuel filter is bad but i have replace it and still same .... is it posibble the cause was this sensor and i dont have any problem with the temperature needle and crank ..... the only problem is the rpm drop for a while and it looks like this sensor is not sending the right signal to the ecu for the right fuel ratio to the chamber and perform auto choke crank .... im afraid if the rpm is low it will cause the engine dont get the proper lubrication during the cold start ...

@rovertasmania7033 4 жыл бұрын

This is complex, many possible issues. Are you getting any codes? I have intermittent low idle sometimes, also fixed with turning air con on. I haven't looked at it closely as its not bad.