How To Permanently Fix BMW Turbo Wastegate Flapper Rattle

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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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⁉️QUESTIONS
If you have any questions or I missed something, comment below and I’ll answer and try to help you out
If you find this video helpful, like it and subscribe to my new channel. I’ll have tons of videos on all kinds of car and truck repairs in the
future.
#motorcarnut
⚠️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.

Опубликовано:

6 окт 2024

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Комментарии : 187

@Mau105 Год назад

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 RU-vid

@motorcarnut Год назад

Wow, thanks! Really appreciate the feedback!

@krkoychev Год назад

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.

@motorcarnut Год назад

Thank you! Good point, you’re correct about that.

@igorcvetkovic2112 3 месяца назад

great explanation on how the turbo wastegate works

@motorcarnut 3 месяца назад

Thank you! Appreciate the feedback!

@lexisf1440 Год назад

Awesome video. Very explanatory. After seeing this, I feel confident to tackle the job instead of replacing the turbo.

@motorcarnut Год назад

You can do it! Just take your time. Thanks for the comment!

@Tinnntin Год назад

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..

@motorcarnut Год назад

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

@tracywade9926 Год назад

Thanks for a great video. My WG is much looser than that one and I am replacing it per your advice.

@motorcarnut Год назад

Great! It’s not that hard and should be a lifetime fix

@tracywade9926 Год назад

Full engine replacement and did your repair for my turbo. Boosting like brand new!! Thanks for a great video.

@motorcarnut Год назад

Awesome bro, thanks for the update and good luck!

@tiagomendonca1560 5 месяцев назад

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

@motorcarnut 5 месяцев назад

Yep, no problem!

@juliosandoval7405 Год назад

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

@motorcarnut Год назад

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.

@mohamadtaiem6164 Год назад

If I send my turbo can you do the same

@motorcarnut Год назад

Not at the moment, sorry

@mike-yp1uk 14 дней назад

Great video

@motorcarnut 14 дней назад

Glad you enjoyed it!

@crowdsfavorite4660 2 месяца назад

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

@motorcarnut 2 месяца назад

5 to 7 hg

@Mau105 Год назад

thank you so much, will try it soon as my new aftermarket Go Fast diverter valve arrived. I love novel approaches to difficult scenarios.

@motorcarnut Год назад

That’s how you learn!

@Stuutuutuu Год назад

I am very grateful for this video it saved me a lot of money n stress, thank you so much incredible stuff!

@motorcarnut Год назад

You're very welcome! Really appreciate the feedback!

@dannyl119 Год назад

Needs this done🙌 great work!! Where can i get this done? What the price to get samething done

@motorcarnut Год назад

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.

@puctbridge 9 месяцев назад

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

@motorcarnut 9 месяцев назад

Not that easy, if they have a good one they will charge you for the whole turbo

@puctbridge 9 месяцев назад

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

@motorcarnut 9 месяцев назад

@puctbridge Yep, true

@Jakethesnake607 4 месяца назад

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.

@motorcarnut 4 месяца назад

Welcome! I don't remember just make a nice hot bead

@bakial2030 День назад

Hello sir, Is it normal for smoke to come from the edge of the bronz bushing of Westgate when first started in the mornings on cold days. A white smoke comes for about 5 seconds, like cigarette smoke, then it stops.

@motorcarnut День назад

Not really, can be a minor leak.

@Zrmotors 6 месяцев назад

Great educational video

@motorcarnut 6 месяцев назад

Thank you 🤗 Appreciated

@Cyber_Hunter. Месяц назад

Good job 👏

@motorcarnut Месяц назад

Thank you!

@guillermoulloa7308 8 месяцев назад

Where can I buy the repair kit???

@motorcarnut 8 месяцев назад

EBay or Amazon

@crowdsfavorite4660 2 месяца назад

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

@motorcarnut 2 месяца назад

Vacuum pump?

@up1029 Месяц назад

Where I can found the parts for the repair?

@motorcarnut Месяц назад

eBay is a great place to start

@gdcl1980 Год назад

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?

@motorcarnut Год назад

No, that one is standard pressure.

@MrKALANCE Месяц назад

This is an amazing job, but it won't be permanent

@motorcarnut Месяц назад

Thank you! It's as permanent as you can get, just like a new one.

@Morris_Garage_160 Месяц назад

The engine plant is not different. Only one detail is different. At VW and BMW you have a device for every part. Everything will always connected at the same spot. What the good man does here is actually better than at the engine plant. Every component has a dimensional tolerance. So it can happen that if one or more components are at the outer tolerance of 0.2mm, problems can occur in interaction with other components and the engine. He set the tolerance nearly to 0 with his method.

@motorcarnut 29 дней назад

Exactly! Thank you!

@garagebuildz5216 2 месяца назад

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!!

@motorcarnut 2 месяца назад

Try eBay, should have some play but not excessive.

@GreepsTV 9 дней назад

fcpeuro has lifetime warranty

@garagebuildz5216 9 дней назад

@@GreepsTV I went with Mamba Turbo from Taiwan. Mamba confirmed the material were correct stainless for high temp. In any case, a warranty is worthless for a part that requires a week to get out and welding to replace.

@carlosramos368 2 месяца назад

We’re do I found the part ??? Please let me know thanks love your videos

@motorcarnut 2 месяца назад

Thank you! On ebay

@carlosramos368 2 месяца назад

What’s the name of the part thanks for your help

@carlosramos368 2 месяца назад

Hey I found it thanks for the help 👌🏼

@motorcarnut 2 месяца назад

Great! No problem!

@carlosramos368 2 месяца назад

Hey do you have a video of removing the exhaust and turbo out of the car ? If you do can you send me the link please?

@alcidesmig 3 месяца назад

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?

@alcidesmig 3 месяца назад

BMW 118i 2014, THP engine

@motorcarnut 3 месяца назад

The way I explain in the video is the only way unless you replace the turbo with a new one.

@alcidesmig 3 месяца назад

@@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?

@alcidesmig 3 месяца назад

@@motorcarnut "clip fastener" is the thing my mechanic is saying is needed

@motorcarnut 3 месяца назад

You must of

@petrolbreadmatt9193 2 месяца назад

Could you please tell me after how many miles this usually happens?

@motorcarnut 2 месяца назад

Varies, can be 75k can be 100k

@petrolbreadmatt9193 2 месяца назад

@@motorcarnut thank you, i ve got a 2017 b48 with 57 miles on it. I dont know if this can happen on my engine too.. in that case i can replace it early...

@motorcarnut 2 месяца назад

@petrolbreadmatt9193 you should be fine for a while

@thebrain7693 Год назад

Great video but i thought N20 was supposed to be closed at 7psi?..

@motorcarnut Год назад

7 is correct but not psi but inHg

@LightSpinAngler 3 месяца назад

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.

@motorcarnut 3 месяца назад

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.

@LightSpinAngler 3 месяца назад

@@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?

@LightSpinAngler 3 месяца назад

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.

@motorcarnut 3 месяца назад

@LightSpinAngler No, if it will need calibration it’s for the electrical part not the mechanical arm.

@LightSpinAngler 3 месяца назад

@@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?

@Mau105 Год назад

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 ?

@motorcarnut Год назад

What you said seems about right. It’s a pain but can be done without turbo removal.

@Mau105 Год назад

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

@motorcarnut Год назад

@Mau105 it is, sometimes I loosen the passenger side engine mount and lift the engine a little to give a little more access.

@VersPs3 13 дней назад

@Motorcarnut what are your thoughts on buying a whole replacement turbo from ebay? Brand new one on there for 350 I seen but i’m worried about the quality

@motorcarnut 12 дней назад

If it's a rebuilt OEM part I'd say go for it but if it's an aftermarket one I'd be weary of the quality because of the price.

@VersPs3 12 дней назад

@@motorcarnut ok thanks for the insight

@motorcarnut 12 дней назад

@VersPs3 No problem

@erickcontreras9322 5 месяцев назад

How would you be able to measure the psi when it comes down to the electrical unit?

@motorcarnut 5 месяцев назад

It’s not controlled by vacuum on electronic waste gates

@hamzamo95 Год назад

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

@motorcarnut Год назад

I don't know as I punched it out, not drilled it out>

@phil_aesthetics Год назад

Wouldn't you want the sleeve of the bushing to be completely smooth so the arm does not snag to it?

@motorcarnut Год назад

It’s not designed that way, there is a ledge where the are sits before welding it. No snagging at all

@phil_aesthetics Год назад

@@motorcarnut ok great!

@trucidgaming3186 Год назад

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 😭

@motorcarnut Год назад

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!

@Mau105 Год назад

I may try to make a vid, as this to me is open heart surgery, though I am an amateur

@motorcarnut Год назад

It’s not so bad, the biggest thing is welding.

@pedrojimenez7743 Месяц назад

I didn’t understand the 3 30 seconds part much can you explain better

@motorcarnut Месяц назад

If that flap doesn't seal tight the vehicle will lose boost pressure and power. The one in the video has too much play and didn't seal right causing low boost pressure codes.

@pedrojimenez7743 Месяц назад

@@motorcarnut I understand that part but how you measured it to sit exactly at 3 30 seconds

@RellBDaWeirdo Год назад

Do those flapper doors come in different sizes?

@motorcarnut Год назад

They are designed for a specific turbo so just order the one for your specific vehicle.

@alexfilimon3254 Год назад

Do you have a solution for bmw g30 530i? I have the same sound

@motorcarnut Год назад

Same solution, just removing the turbo is different.

@themindpower94 Год назад

This faulty give drivetrain error? Please share information with me.

@motorcarnut Год назад

Yes, drivetrain malfunction message, low boost pressure and many others

@themindpower94 Год назад

@@motorcarnut thanks sir. Did not notice I commented on both your video. Haha.. really appreciate it

@motorcarnut Год назад

No problem

@aaroneverett9162 Год назад

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…

@motorcarnut Год назад

No problem, thanks for the comment!

@usergiodmsilva1983PT 5 месяцев назад

Is this the one on G30 5 series?

@motorcarnut 5 месяцев назад

I’m not exactly sure but just search the internet for your specific vehicle, eBay is good place to start

@martijnhaverkate1891 6 месяцев назад

Do u have a link to this set?

@motorcarnut 6 месяцев назад

I don’t but you can search eBay with your year and model and find them easily

@icom782 2 месяца назад

Ye Im not going to do that

@motorcarnut 2 месяца назад

You could have someone do it that doesn't involve an expensive full turbo replacement.

@AntDaTrillest Год назад

Do you think u can bypass that by tightening the rod with the screw?

@motorcarnut Год назад

It can be a temporary fix, yes. But will eventually need to be replaced.

@thebrain7693 Год назад

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.

@motorcarnut Год назад

Yes, they wear out too fast these bmw turbos.

@samueljimenez1046 Год назад

Para bmw 335d e90 no lo encuentro por ningun lado ayudame porfavor donde conseguirlo

@motorcarnut Год назад

Try eBay

@rayisdashit Год назад

I wonder how many people clicked off the video when he said welder

@motorcarnut Год назад

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

@stradaredlands Год назад

Ha, yeah, that was me. But I came back to finish!

@WildDjinnie Год назад

How much power welding machine have to have for this job?

@motorcarnut Год назад

It’s not so much the price of the machine but you have to know how to weld.

@Sequel7 4 месяца назад

@@motorcarnutisn’t there supposed to be a anti rattle clip even on the pneumatic waste gate on that n20?

@United-Solutions Год назад

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

@motorcarnut Год назад

Yes, not only the noise but have increased power as well

@TheRealMrBimmer Год назад

Do you think a roll pin would be sufficient to hold the bushing ?

@motorcarnut Год назад

No way, too much heat

@tracywade9926 Год назад

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.

@motorcarnut Год назад

Hey may last for a long time.