Waterpump & Thermostat Replacement On BMW E46 M3
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- เผยแพร่เมื่อ 7 ก.พ. 2025
- How to BMW e46 m3 Waterpump & Thermostat diy on BMW E46 M3 DIY
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My man, you are God's gift to the BMW world. What else can I say....Thanks!
I did this for my E46 M3. But my water pump was 100%. I replaced all belts and both tensioners and all pulleys. New thermostat. New O rings. New sensors.
Fixed power steering pump mounting by adding proper length bolts.
De-greased everything. Cleaned MAF sensor.
303 Protectant on everything. SOAKED belts in 303 prior to installation. Pulled radiator and flushed. Cleaned fins on OIL COOLER!! This helped!
I have been watching your DIY videos for a while and they are very informative. I just bought a 2005 E46 M3 and I intend to use your videos to assist me in getting the M3 in great running order. You are awesome and keep up the great work!
Massive thank you for all your DIY’s - I’ve used many of them for various things on my S54 and will be forever grateful for the tips along the way!
I own a 2006 E46 M3. Thank you 😊 for showing me how to work on my baby. I am the original owner.
nice! don't ever let it go!
Just got a 2002 m3. Watched this video a couple times and I’m ready! Great content on this channel, had to sub!
Question, I noticed the gasket you are replacing is not the metal one..did you experience ang issues using these instead of the metal ones ?
Watched this ages ago but came back to it to make sure there is enough room to remove just the fan clutch itself and not the entire shroud housing before upgrading my pulleys with underdriven ones from Rogue Engineering. Can see quickly at 4:18 there is just enough wiggle room to drop the fan and get access to the pulleys. Thanks again!
How did the pulley change go? I have to do the same soon and am looking for the easiest/best way. Also, do you have those two lower screws on the shroud?
Please keep making these vids ... your the only guy that makes things understandable
Thoughts on that gasket vs the original metal gasket that came off
Thanks, very helpful video. Much easier for us amateurs to remove the air filter box early.
I don't own M3 but I watched the whole video.
Fantastic! My e46 m3 is requiring a new pump I suspect, this has gave me about 69.8% of the courage required to attempt it.
Hi Ankur, really great "How To" video mate, thank you. Can I ask what the symptoms were for this car as I can see the same blue/white spray from the fan on the plastic shroud of my M3. Is it an easy diagnostic that I need to replace the water pump? Mine is 2006 but only has 82,000klms (51,000Miles). Thanks in advance, Andre.
Thanks for the video, it helped me out massively $$$$. My 03’ M3 is now running like a clock. Thanks 😊
nice work. i like the long videos with details better than a 3 min video. thanks again.
Awesome timing!! My parts arrived Monday to do this. 😁
For replacing just the thermostat, does the fan still have to come off?
Thanks for this video! Just got done doing my cooling system with the help of this video! Very helpful!
This is great stuff. Thanks for all of your efforts.
Just In time. Doing this job on my car tomorrow. Not many e46 m3 diy on youtube
Very well done!! great video changed my water pump in 35 minutes thanks!! thought it was going to take longer but your video is on point!!
Great to hear!
@@ShopLifeTV i
Great video. Of all the stuff on the net, you go through every little detail. Thanks
Please make more E46 M3 DIY's as they are lacking. The 50's kid does a great job on non M's but the M3 just needs more decent DIY videos. There's only a few.
Good idea to go ahead and replace fan blades and clutch while already out too
How would you know (outside of the obvious (leak, drip, etc at the pump)), that your water pump is or isn't circulating? Recently I noticed there's no recirculation at idle via the small hose to the reservoir and it tends to run "hot" at idle/stop. It's cool or normal as I drive. Someone mentioned the secondary HVAC water valve and solenoid. Thoughts? I've also noticed the Evap fan running on-off with the heat on A/C Off. Thanks for the excellent videos!
Great vid and well demonstrated as usual mate. Just one thing though, in the TIS it explicitly states to *not* open the bleeder screw on the S54 as the system is supposed to be self bleeding? I'm sure that the plastic pipe that it sits in is the same one throughout the E46 range to save on manufacturing/development costs and that's the only reason that it is there on the M3 models. That said, opening the screw would be very unlikely to have done any harm and the way you demonstrated would do nothing bad to the system.
Super! I own a 2006 E46 M3 w/ Comp package....thank you ⭐️⭐️⭐️⭐️⭐️
Excellent, clear and concise DIY. Nice one.
How important is it to change the expansion tank while doing this whole job? M3 has its expansion tank in the back compared to regular E46 so it does not get affected by the heat of the engine as much and plastic doesn't get as brittle. Thoughts? Thanks
Very informative. Can you remove the fan shroud without taking the fan off?
Thank You! You can remove the side parts of the fan shroud without removing the fan, but the main shroud will require the fan to be removed.
Excellent video, thank you for sharing this! 2002 E46 M3 owner :)
BMW uses a lot of those Plastic Rivets in various places. Husky 1000014633 from Home Depot. I think
they call it a Tack Puller. Works cool for these. I took ours and slightly filed the 'V' into more of a 'U'
shape. 6 bucks... ;)
Do you have a video on head gasket DIY for e46 m3 or... Torque specs to retighten?
Awesome video , my thermostat light is coming up only when weather is cold then is goes away after a day. I would definitely do this at home , dealer will charge an arm and a leg
Where u locate at I would luv to have you work on my bmw 330 ci 2002, I need my water pump replaced
Hi, did you say you have a video on removal of expansion tank, cant find it?
good tip to remove rubber hoses is to use a bicycle spoke. slide it in then spray some teflon lube like gt85, then rotate the spoke.
Question: On a lot of American cars people will drill a small hole in the thermostat to allow air to pass through when bleeding the system, can this be done on a BMW without screwing anything up?
Love you videos keep up the great work
Thank you!
Great DIY as always guys.
Just my 2cents...I appreciate the "calmer" narration. I'm guessing that you added the narration to the video afterwards? Give your camera crew a night out of the shop for doing such a good job "filming". (Maybe a comedy club?)... Always wishing you both well, remember, all work and no "play" makes fluffy have dull owners... Best Regards...
Thanks for letting me know! & haha we sure do need a night out! Fluffy appreciates your concern lol. Take care!
Nice video! I changed the thermostat and some o rings on a M47TUD20,it was much easier.
Hello mate
I have two questions for e46 330i automatic
1. My oil sensor needs replacing. It’s expensive to replace.are there any dangers if I left it unrelated?
2. The reader is also showing error P0705 gearbox switch. Is it easily accessible to replace or gearbox has to be dropped?
I can’t see any YT vids on this
3.a suggestion.: why don’t you do a special video on e46 sensors. Show the location of all of them and how to replace.bmw have too many sensors
Thank you so much for this
My car was over heating and underheating last year during hot days.
I had the thermostat replaced and the issue was fixed!
Starting last week, my car now over heats with the AC on... but only on the hot days with the AC on.
Im wondering what is wrong.. I was thinking maybe its something other than the thermostat HOWEVER when I drive the car during cooler evenings the car is now under-heating again ever so slightly. because temps fluctuate a little high and a little low I'm thinking it must be the thermostat.
I have problems with vanos it's always give me misfire but if I unblock the cable of vanos care is working fine please advise.. what's the problem
Good night my friend. How are you? I'm from Brazil and I have a 330i E46 with smg 5 speed gearbox. I would like to know what upgrades I can make in her engine without spending much or not touching much? Strong embrace Luis
For thermostat replacement only, does the fan still have to come off?
No
17 bucks on Ebay for a 32mm wrench and tool to hold the water pump. Specific tool for this job. Bless the Chinese. Worked great.
I actually like the post-shoot voice-over better. There's very little variation in volume level, which has been a problem with earlier videos. I know you replied "never again" in the comments, but I wish you'd reconsider for some situations.
Thanks for letting me know ill consider it. I just feel that I talk a lot more during voiceovers which makes the video longer than it should be
what brand waterpump is that?
Great video. Thanks
Good job my Friend
Excellent!
Buy those o-rings from BMW y'all! I got a generic kit from Lowe's and two kits from Harbor Freight. They did not work and I had to do it all over again 😅
the M tax is real 7 mins into the video just to remove the radiator fan. a 1 min job in a regular 330i or 325i
Hi mate
I've some issue with my e60 523i 2007 starter motor. so when i push the start button, i can hear an electronic sound like solenoid! but the care dosent start and the start button dosent release (need to press again to release). I checked the battery which fully charged, all switches are good by a mechanic. I did disconnect IBS (Intelligent Battery System) and try to start up but had no luck :(. could you please help me with the starter motors video 2007 e60 bmw?
Thanks
sha
oh forgot to ask how old is fluffy.
he is four lol
What happened to that channel
What do you mean?
Bible.
Hello I'm having a big little problem I just replaced the water pump out both new belts and I put new hoses and a new expansion tank kit and I have a leak that does not go away from the expansion tank I even changed the orings and made sure all hoses where places in right and snap into place and the leak does not go away. What can I do