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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 02-15-2013, 08:36 AM
vertic vertic is offline
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Location: TN
 
Join Date: Feb 2013
Posts: 3
Mein Auto: 2007 530I
Exclamation Dark Smoke out of Exhaust

I was driving like normal and after turning and stepping on the gas, I looked back and notice that i had just created a very large smoke cloud to the point that people behind me had to stop because they could not see. I immediately stop to check what was wrong and my car was still smoking, but it sounded just fine. I waited a couple of minutes looked around the engine nothing smelled wrong other than the blueish smoke coming out of the exhaust. After like 10 min I started the car and the smoke was less, so I drove the extra 1/2 a mile home and parked it the car had stopped smoking by the time i made it home.

I pulled the spark plugs and they look carbon covered but dry (not oil wet), so I opened the oil service cap and smelled to see if I could smell gas or something and to take a look at the oil (hopping not to see that there was gas in the oil) and encounter myself with another situation. I found some very small chips in the oil cap. The car is a 2007 530I with 78,000 miles. I was not expecting to have problems with the engine this soon.

What do you think this is?
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  #2  
Old 02-15-2013, 08:48 AM
pjinca pjinca is offline
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Location: SoCal
 
Join Date: Jun 2009
Posts: 2,108
Mein Auto: 2008 550i
Things to check: CCV and Oil Separator, I had similar situation on my previous 530 (which is part of the reason I have a 550 now) - it was running REALLY rough at idle, died on me a few times. I looked and the oil separator was cracked in half, replaced it and it ran like new for about 10 days. Then when I accelerated from a stop (like in traffic on the freeway) it would billow out huge clouds of smoke, but not all the time, very intermittent - the last week I owned the car it did it 3 times in 300 miles. Mechanic thought it might be valve seals ($6000 repair), sorry bud, I don't have better news for you.
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[B]2008 550 - Carbon Black/Black - M-sport, Cold Weather, Premium, NAV, Comfort Access, Logic 7 (LOADED, every option except night vision)

Previous 3 cars (the 550 is my 38th car):
2005 530i - Prem, Sport, NAV
2006 Jeep SRT-8
2003 Infiniti G35 coupe
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