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UltimateWarrior

B47 2.0d Turbo Wastegate Actuator Rod Missing

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Hi,

 

I had a drivetrain warning message (drive moderately) on the weekend and noticed a significant drop in power. Codes (below) indicate a boost pressure issue. 

 

On inspection, the link rod between wastegate and actuator appears to be missing?!  Has anyone else experienced this?

 

The car is still under warranty from the car supermarket I bought it from a few weeks ago, so will report back on their findings.

 

 

 

Error memory-06-07-2019.pdf

Edited by UltimateWarrior

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I may be barking up the wrong tree.

 

The turbo is listed as part number 11658570083, and featured on this list of cars

 

The coupling rod that I saw when googling the turbo is part number 11658596433, which features on only a subset of the above cars

 

So the rod rod is only present on some BMWs? Or RealOEM is wrong.

 

For my car (F11 LCI 520d) the part in question is greyed out on the RealOEM listing:

 

 

6224AA1D-D024-4528-8CC8-37CC5591029F.jpeg

Edited by UltimateWarrior

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The garage that the car supermarket have taken it to for inspection (a BMW specialist) are convinced it’s a sticking EGR valve. Warranty company are deciding if the quote for repair is agreeable. 

 

I told the garage about the turbo, and they will take a look, but the EGR is still the main culprit as far as they are concerned. I also mentioned the EGR recall, but my VIN isn’t registering as an affected car (yet). I think the recall is mainly to do with EGR cooler in any case?

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I should have posted an update to this topic earlier to close the matter. Bad forum etiquette on my part!

 

So the garage that was looking at it had originally diagnosed a faulty EGR. On replacing this component, the fault (or at least some of the original faults) were still present. I mentioned the potentially missing link, and they found said link on the under-tray and replaced it. No more issues.

 

In conclusion, I think the ‘missing’ link on RealOEM is a red herring, and perhaps all instances of this turbo should have a link.

 

As to why the link fell off in the first place... I’m still not sure, but my theory is that the electronic actuator on the turbo was replaced at some point, and the link was not reinstalled properly. I can’t think of any other reason why both ends would become detached.

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On 13/08/2019 at 07:51, UltimateWarrior said:

I should have posted an update to this topic earlier to close the matter. Bad forum etiquette on my part!

 

So the garage that was looking at it had originally diagnosed a faulty EGR. On replacing this component, the fault (or at least some of the original faults) were still present. I mentioned the potentially missing link, and they found said link on the under-tray and replaced it. No more issues.

 

In conclusion, I think the ‘missing’ link on RealOEM is a red herring, and perhaps all instances of this turbo should have a link.

 

As to why the link fell off in the first place... I’m still not sure, but my theory is that the electronic actuator on the turbo was replaced at some point, and the link was not reinstalled properly. I can’t think of any other reason why both ends would become detached.

 

On my older N47 that link is a little different but is also not to be found on realoem because the actuator and turbo come as one unit from BMW. Which is probably the same case with your car. So, yes, your turbo should have a link. Technically it's not for a wastegate but the VNT vanes. They might have changed protocol on different models selling them separately. You can buy them separate second-hand obviously but they are supposed to be calibrated as a single unit.

 

I was able to find a replacement link for mine (it was jamming) after a lot of internet digging. I eventually found the part mentioned on a Russian forum, got the part number and got it direct from the main dealers for about €11. It's not on realoem though, and technically it's a repair kit. The part no. 11654728402 

 

So perhaps this explains your little mystery.

IMG_4532.jpg.62f0387fb74cf19f437c645a36811387.jpg

 

Keliuss

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