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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > N20 Blown Turbo - Blowing White Smoke - Video
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      08-10-2017, 05:27 PM   #45
NikBMW
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Anyone get this fixed out of warranty? My current situation scared to see what it will cost....
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      08-11-2017, 12:31 PM   #46
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Originally Posted by NikBMW View Post
Anyone get this fixed out of warranty? My current situation scared to see what it will cost....
you probably looking at around 2k
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      08-11-2017, 01:06 PM   #47
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Bad turbo seal maybe?
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      08-16-2017, 02:57 PM   #48
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Check the extended warranty BMW recently made for N20 smoke at startup, it also covers past repair costs that were performed out of warranty

https://bmwtechnician.com/2017/08/02...line-bulletin/
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      08-16-2017, 11:15 PM   #49
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Quote:
Originally Posted by wrp
Check the extended warranty BMW recently made for N20 smoke at startup, it also covers past repair costs that were performed out of warranty

https://bmwtechnician.com/2017/08/02...line-bulletin/
Mine is a 2013 unfortunately...
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      10-20-2017, 12:07 PM   #50
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Blown Turbo video/sound

After a summer of tracking and running my stock turbo at 24-25 psi, it gave out. Here's a video of what it sounded like for anybody trying to diagnose.

https://youtu.be/7M6a4RMbPY4
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      08-08-2018, 12:35 PM   #51
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Mine gave out at 58k. It’s at the dealership now being replaced out of warranty.
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      08-12-2018, 02:51 PM   #52
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edit: just noticed this happened years ago

You were lucky it was on warranty period.

I bought a used car and the turbo was blown 4-5 months after, maybe around 80 or 85000 km.

Its a big pain to the wallet, paid about 2000€


Also got that upgraded turbo oil line from that blog... but still scared to death that will happen again, to the point that ive been considering selling the car and get another car model.

Is it a common problem for n20?

Last edited by mallorca328; 08-12-2018 at 02:58 PM..
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      09-13-2018, 11:26 AM   #53
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Quote:
Originally Posted by ntalekt View Post
Noticed my 328i was blowing a little white smoke during a cold startup. I was going in for a scheduled oil change anyway so I snapped this video to show my service advisor.

I dropped it off saturday and they just called me and said I won't have it back for a few more days because they are replacing the turbo. It's weird to me because it wasn't down on power or throwing any codes. Maybe a seal or something?

I drive the car like it was designed to be driven. Only 2-3 times a week and sometimes a little spirited driving on the way. But nothing crazy.

Anyone else having any reliability problems with the N20?

I have the same problem mines keep burning oil does ur too let me know
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      09-13-2018, 06:33 PM   #54
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Originally Posted by Euro-bmw View Post
I have the same problem mines keep burning oil does ur too let me know
It's a 4 year old post...
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      09-15-2018, 09:13 AM   #55
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Quote:
Originally Posted by rjdnyy224 View Post
Quote:
Originally Posted by Euro-bmw View Post
I have the same problem mines keep burning oil does ur too let me know
It's a 4 year old post...
I know the post it's 4 years....... ago it was a question , to see what was the problem and the fix for it..
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      09-15-2018, 11:22 AM   #56
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Originally Posted by Euro-bmw View Post
I know the post it's 4 years....... ago it was a question , to see what was the problem and the fix for it..
I know, but the guy hasn't been on the forums in 2 full years nearly. He's not going to respond... Just try not to bump an old thread unless it's relevant. Either PM the guy or if they haven't been around in a while, don't even bother. No hard feelings, letting you know
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      09-15-2018, 11:38 PM   #57
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Quote:
Originally Posted by jmaak View Post
Winner winner chicken dinner.

if they are replacing the turbo because of white smoke = bad turbo seal and its burning coolant.
THIS!!!!!!
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      09-16-2018, 12:41 AM   #58
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Quote:
Originally Posted by IssaF32 View Post
THIS!!!!!!
I don't think this... the white/blue smoke is usually from the oil feed line letting oil seep into the turbo after the car is turned off, and that oil burning off when the car is started next...
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      09-17-2018, 09:05 AM   #59
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Quote:
Originally Posted by rjdnyy224 View Post
I don't think this... the white/blue smoke is usually from the oil feed line letting oil seep into the turbo after the car is turned off, and that oil burning off when the car is started next...
Correct. The white/bluish smoke is from the lack of a return valve in the original oil feed line that would cause oil to pool over long periods.
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