White Smoke after Start up?
02-10-2014, 03:49 AM
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Join Date: Oct 2013
Location: Cork, Ireland
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My Ride: E60 520i 2004 Titansilver
White Smoke after Start up?
There is a lot of white smoke coming from my 2004 520i exhaust about 1 or 2 minutes after start up and then goes away after 4 or 5 miles driving. It billows out on idle. It seemed to get worse over the winter months. I'm just wondering if it's just condensation from the exhaust or something more sinister. I have no apparent coolant/oil loss or any running or idle problems and only occasional light sludge on the underside of the oil cap which disappears after a long run.
The car is left idle for a couple of days in the week and used for a few short trips too as well as long ones.
Should I be concerned?
The car is left idle for a couple of days in the week and used for a few short trips too as well as long ones.
Should I be concerned?
02-10-2014, 05:46 AM
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My Ride: 2008 528i winter package and premium package
There is a lot of white smoke coming from my 2004 520i exhaust about 1 or 2 minutes after start up and then goes away after 4 or 5 miles driving. It billows out on idle. It seemed to get worse over the winter months. I'm just wondering if it's just condensation from the exhaust or something more sinister. I have no apparent coolant/oil loss or any running or idle problems and only occasional light sludge on the underside of the oil cap which disappears after a long run.
The car is left idle for a couple of days in the week and used for a few short trips too as well as long ones.
Should I be concerned?
The car is left idle for a couple of days in the week and used for a few short trips too as well as long ones.
Should I be concerned?
I wouldn't be concerned. It sounds like condensation, that eventually dissipates as you drive. If you had a real problem, that white smoke wouldn't stop and it would most likely be a coolant issue.
02-10-2014, 06:22 AM
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My Ride: 535xi 2010
Model Year: 2010
My 535ix has done that before after sitting for a while. White smoke stops after a couple miles. I'm not losing any coolant or burning any oil so I'm thinking it's just condensation. As long as your fluid levels don't go down I wouldn't worry too much.
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