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      08-20-2016, 09:09 AM   #1
apascutia
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2012 Bmw 328i blue smoke

Hello everyone,
I've had trouble receiving the title and registering the 2012 328i because the previous seller ran into some problems. Long story short, I should be getting the title in the next two days. Because of this, the car has been more or less sitting for the past two weeks. Today, when I went outside to back it up onto my driveway, I noticed a rather disturbing amount of blueish smoke coming out of my tailpipes. The blueish smoke stopped after a couple seconds of running it, however, should this signal any problems? I know that blue smoke usually means oil consumption, however, it has been sitting for the past two weeks. I will be taking it in next weekend to transfer the certified pre-owned warranty. Should I mention anything to the dealer? Again, this is a 2012 328i with 45k miles. It was certified by the previous owner a few months before selling it. Sorry for the long post. Thanks!
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      08-20-2016, 10:02 AM   #2
backpackerx
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It's oil from the turbo oil feed line. There's a line with a one way valve that may need to be swapped.
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      08-20-2016, 06:01 PM   #3
Kabrich
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Quote:
Originally Posted by apascutia View Post
Hello everyone,
I've had trouble receiving the title and registering the 2012 328i because the previous seller ran into some problems. Long story short, I should be getting the title in the next two days. Because of this, the car has been more or less sitting for the past two weeks. Today, when I went outside to back it up onto my driveway, I noticed a rather disturbing amount of blueish smoke coming out of my tailpipes. The blueish smoke stopped after a couple seconds of running it, however, should this signal any problems? I know that blue smoke usually means oil consumption, however, it has been sitting for the past two weeks. I will be taking it in next weekend to transfer the certified pre-owned warranty. Should I mention anything to the dealer? Again, this is a 2012 328i with 45k miles. It was certified by the previous owner a few months before selling it. Sorry for the long post. Thanks!
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      08-29-2016, 05:35 PM   #4
AZ308GTS
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Quote:
Originally Posted by backpackerx View Post
It's oil from the turbo oil feed line. There's a line with a one way valve that may need to be swapped.
We were constantly replacing those one-way valves in turbo Cessna's. I guess it makes sense they'd be a trouble spot in cars too.
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      08-29-2016, 07:27 PM   #5
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Doesn't blue exhaust smoke indicated a worn turbo seal?
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      08-30-2016, 09:03 AM   #6
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Are you 100% sure its blue smoke and that there is oil consumption?

My guess is it's just some white smoke from condensation. I wouldn't worry unless there is oil consumption that is out of spec
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