How To Permanently Fix BMW Turbo Wastegate Flapper Rattle
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- čas přidán 18. 01. 2023
- No need to replace your entire expensive turbo.
I’ll show you step-by-step how to permanently fix waste gate flapper rattle on most BMW turbos.
❗️If you find this video helpful, I would appreciate a $uper Thanks that can be found below the video.
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⚠️Disclaimer:
The videos on Motorcarnut channel are posted with informational purpose only.
Information posted in this video does not guarantee any particular result. Use this information provided in the video with caution and at your own risk. It is the responsibility of the viewer to take this risk.
Motorcarnut is not responsible or liable for property damage, any loss damage, or injury related to or resulted from information posted in this video. - Auta a dopravní prostředky
Awesome video. Very explanatory. After seeing this, I feel confident to tackle the job instead of replacing the turbo.
You can do it! Just take your time. Thanks for the comment!
Your explanation is 11/10, the vid is easy to follow and understand qualifying for the best of the best vids I have seen on CZcams
Wow, thanks! Really appreciate the feedback!
Perfect explained and helpful. Thank you. Just an idea: ground clamp of welder must be attached to the arm, not to the body. Because spark between shaft and bushing can cause internal welding or bumps.
Thank you! Good point, you’re correct about that.
great explanation on how the turbo wastegate works
Thank you! Appreciate the feedback!
Nice idea and made up. Also good how you filmed and explained everything. I personally had welded it with tig, you can weld much nicer with it.
What I don't understand is that they didn't put a spring between the round flapper and bracket. A spring with a certain pre-tension that always ensures that the flapper, even when it is open, is under tension so that the flapper cannot vibrate. When the flapper is in the closed position, the spring is fully compressed so that it also closes properly. Might be fun to try out sometime, see if my idea works..
Thanks for the comment! Appreciated
Yes, tig is cleaner but I have mig so that’s what we use. The spring idea would be interesting but I don’t think it would withstand the extreme heat imo
Great educational video
Thank you 🤗 Appreciated
Dope video been looking for something this straight forward tells u every thing u need to know now jus gotta learn how to weld lol
Thank you! I will be making a video soon about welding but you can find someone who does weld it for you, shouldn’t be that expensive.
If I send my turbo can you do the same
Not at the moment, sorry
Thanks for a great video. My WG is much looser than that one and I am replacing it per your advice.
Great! It’s not that hard and should be a lifetime fix
Full engine replacement and did your repair for my turbo. Boosting like brand new!! Thanks for a great video.
Awesome bro, thanks for the update and good luck!
I am very grateful for this video it saved me a lot of money n stress, thank you so much incredible stuff!
You're very welcome! Really appreciate the feedback!
thank you so much, will try it soon as my new aftermarket Go Fast diverter valve arrived. I love novel approaches to difficult scenarios.
That’s how you learn!
Fantastic video! Thank you! Quick question, what was your welder setup for this? All I have is a flux core mig and I want to make sure the weld will hold if I use that.
Welcome! I don't remember just make a nice hot bead
Excellent video, it is just what I need to do in my turbo.. I would like to ask you something, I see that you changed the wastegate and I have seen some that can use stronger springs to increase the turbo pressure a bit.. with the one you changed you got more boost and if so, did you get an error in the car's computer?
No, that one is standard pressure.
Merci beaucoup frère
Thank you very much!
Great video! I am doing my N55. A got a replacement flapper but the sleeve seems too loose in the shaft. What is the expected clearance between these two in terms of their diameter difference? I assume there should be some clearance to allow for heat expansion, but if feels like it will still rattle, so I am scared to install it. Where do you recommend I buy one of good quality? Thank you!!
Try eBay, should have some play but not excessive.
Needs this done🙌 great work!! Where can i get this done? What the price to get samething done
Thank you, you can get the flapper valve kit on eBay for about $20.00 and find a mechanic or machine shop to do the work for you.
Hello, can you tell me what size is the drill bit to drill out the pin? I need to get a high quality bit without spending $80 on a whole set. Thanks
I don't know as I punched it out, not drilled it out>
What kind of pressure tester do u have. That u used on the turbo in the beginning. I’m trying to get the same one because I just took the turbo off my n20 and waiting for the flapper to come in. Cuz I’m not paying some 5 grand to fix my turbo. Btw. I managed to pull it off while the engine was in the car 😭
That's a vacuum pump, you can buy one on amazon. That's right, save a lot of money with my videos doing it yourself! Awesome!
at the beginning of your vid next to the oil can is the diverter valve. On my M235i I have the dreaded code. There are only 3 screws holding it in place. The issue is horrible access. Apparently it may be possible by removing the charge pipe. loosening the water pump, and moving it to the side without undoing the plumbing. Then the 3 screws can be accessed. Any exper. on M235 ?
What you said seems about right. It’s a pain but can be done without turbo removal.
thanks/ waiting for long ball end 5mm allen socket to arrive, also found out waterpump bolts are supposed to be replaced... what a pain@@Motorcarnut
@Mau105 it is, sometimes I loosen the passenger side engine mount and lift the engine a little to give a little more access.
My Rod keeps falling down and shop says a need new turbo cause there’s rust so can’t hold That’s the way to fix thank you
Yep, no problem!
Is anybody able to find or know where to find what PSI or HG the n55 pneumatic waste gate is supposed to be closed at? Can’t find this info anywhere
5 to 7 hg
Do you have a solution for bmw g30 530i? I have the same sound
Same solution, just removing the turbo is different.
Hi
Very nice video clip hope will help my issue too,
If I replace flapper it will reduce turbo noise?
And also I have code 120308
Yes, not only the noise but have increased power as well
How would you be able to measure the psi when it comes down to the electrical unit?
It’s not controlled by vacuum on electronic waste gates
Just go find a donor with a wastegate flap that doesn't feel loose, buy a new center cartridge since that's what goes out either way when these turbos die so you may as well change it while you have this thing out, and reassemble with the donor wastegate/manifold portion while discarding the bad one
Not that easy, if they have a good one they will charge you for the whole turbo
I meant for the do it yourself community. And if it is used, even if they say it's "Good" I would still change the cartridge. Though you do have a point, its rare for a yard to simply let you take the portion you need and leave the rest behind. Maybe as these become older you will find them in pick and pull type yards, but until then, we are all at the mercy of the European junk yards that want tons of cash because they buy these cars at auctions for top dollar to make a killing off parting them out @@Motorcarnut
@puctbridge Yep, true
Para bmw 335d e90 no lo encuentro por ningun lado ayudame porfavor donde conseguirlo
Try eBay
What is the name of that tool? Stupid question I know but I’m looking for that exact tool to test my turbo charger now that I have removed it from car. Bc it rattles a lot
Vacuum pump?
Hey, thanks for the video. My noise is exactly the same as the video. I went to a mechanic and replaced the part, but the noise still remains. He commented about having to use a clip now, but I can't find one to buy.
Do you have any idea?
BMW 118i 2014, THP engine
The way I explain in the video is the only way unless you replace the turbo with a new one.
@@Motorcarnut We did it exactly like in the video. The noise has subsided, but continues. When changing gears and around 2500-3000 rpm.
Is there a chance we did something wrong?
@@Motorcarnut "clip fastener" is the thing my mechanic is saying is needed
You must of
Wouldn't you want the sleeve of the bushing to be completely smooth so the arm does not snag to it?
It’s not designed that way, there is a ledge where the are sits before welding it. No snagging at all
@@Motorcarnut ok great!
Great video but i thought N20 was supposed to be closed at 7psi?..
7 is correct but not psi but inHg
Do those flapper doors come in different sizes?
They are designed for a specific turbo so just order the one for your specific vehicle.
Do you think u can bypass that by tightening the rod with the screw?
It can be a temporary fix, yes. But will eventually need to be replaced.
i adjusted like 4 times n then ran out of threads so now need to do this new waste gate fix. errors keep coming back after a little while but since its an easy adjustment, worked as temp fix.
Yes, they wear out too fast these bmw turbos.
is this for the n13 engine? ive heard some people put a vw clip on it and the sound stops
This was the N20 but can apply to any wastegate. I don’t know nothing about some clip.
@@Motorcarnut I see, thanks
No problem
We’re do I found the part ??? Please let me know thanks love your videos
Thank you! On ebay
What’s the name of the part thanks for your help
Hey I found it thanks for the help 👌🏼
Great! No problem!
Do you think a roll pin would be sufficient to hold the bushing ?
No way, too much heat
I used a roll pin that was a really tight fit and then used my mig welder to seal it in place. I figure that will keep the pin captive. Not saying someone should do that, it's just how I did it.
Hey may last for a long time.
My 2013 does rattle and mechanic asked $1500 to change the OEM Turbo ! Can I replace this with used Turbo ?
Please advise
Yes
Where can I buy the repair kit???
EBay or Amazon
Do u have a link to this set?
I don’t but you can search eBay with your year and model and find them easily
I need exact parts technical drawings with measurements for reproducing. How can I find them?
I don’t know
@@Motorcarnut Did you reproduce the parts or just bought it?
@GlobalisticKiller I bought them off eBay
@@Motorcarnut can you share the link? I couldn't find the exact set on ebay.
www.ebay.com/sch/i.html?_from=R40&_trksid=p3519243.m570.l1313&_nkw=bmw+n+20+flapper+valve&_sacat=0
I may try to make a vid, as this to me is open heart surgery, though I am an amateur
It’s not so bad, the biggest thing is welding.
Is this the one on G30 5 series?
I’m not exactly sure but just search the internet for your specific vehicle, eBay is good place to start
Just so you know the N20 2.0L with electronic waste gate are not welded. At least it appears that mine isn’t, and it uses clips. My actuator arm bar came off completely.
Are you talking about the actuator arm to the flapper arm? Yes that has a clip but the inside flap valve in the exhaust is welded, which is what this video is about.
@@Motorcarnut
Yes I am referring to that actuator arm sold with EWG, it appeared welded at the beginning explanation and thought it may have been on pneumatic.
I am trying to avoid $500 part from dealer and replace with the Mitsubishi OEM part. My only concern is calibration with ISTA software. Do you have any tips, recommendations, or videos on that topic?
I ordered the Mitsubishi OEM part from parts geek and I have read it might not need calibration. Should I use the old arm that corroded a bit and fell off the clip, or should I install it with the new arm replacement from OEM part? Trying to avoid a trip to the shop 30min away for software, thanks.
@LightSpinAngler No, if it will need calibration it’s for the electrical part not the mechanical arm.
@@Motorcarnut hi thanks for the reply, im not quite sure I understand response. Are you saying if I use the new arm with the EWG I ordered it will not need calibration?
Where to buy flap actuator( pneumatic)??
Off ebay, just search your year make and model.
@@Motorcarnut thx
Welcome
Where can I get the parts
Search eBay
This faulty give drivetrain error? Please share information with me.
Yes, drivetrain malfunction message, low boost pressure and many others
@@Motorcarnut thanks sir. Did not notice I commented on both your video. Haha.. really appreciate it
No problem
Thank you so much. What a fantastic look inside to the actual mechanical issues of the N20 turbo - working with dealers or independent shops a person can shell out $1000 to not even figure out the problem. Then there’s a $5000 “new” turbo at the end of the rainbow when they and the customer both throw up their hands, when really the problem is $30 worth of parts plus a group of engineers that need to be kicked in the balls repeatedly for this garbage design. May God have mercy on all N20 owners because this kind of silliness is only the beginning…
No problem, thanks for the comment!
Where can I buy the wastegate flapper ?
ebay
ebay
where can I buy this kit?
eBay, Amazon
@@Motorcarnut not exist for B57
Really? Try searching entire internet for it
Hey can you help me do mine
Just with the video
Ye Im not going to do that
You could have someone do it that doesn't involve an expensive full turbo replacement.
I wonder how many people clicked off the video when he said welder
I’m sure not many. I explain if you can’t weld to have someone do that part. Or you can always buy a new one for $3000
Ha, yeah, that was me. But I came back to finish!
How much power welding machine have to have for this job?
It’s not so much the price of the machine but you have to know how to weld.
@@Motorcarnutisn’t there supposed to be a anti rattle clip even on the pneumatic waste gate on that n20?