Question about BMW X5 Series
Is it black? black smoke means you are burning too much gasoline could be a bad choke or even a dirty air filter.
Blue smoke means you are burning oil out of your engine
.White means water getting into crank case or pistons.
Posted on Apr 08, 2015
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Posted on Jan 02, 2017
SOURCE: white smoke comes out tail pipe
Its perfectly normal.Hot exhaust gases mixing with cold air and by products of the combustion process create the watery substance that you see spit out .Dual fuel (LPG,Hydrogen etc) vehicles do this a lot more noticably.By products of the combustion process are various but water vapour is one of them.Alot of heat is generated by the exhaust so watching a car driving in very cold conditions you can see this effect more clearly
Posted on Oct 18, 2008
It often means that you are burning antifreeze. You asked if it needs antifreeze, have you noticed any leaking out of the reservoir tank while you are running it? Sometimes when the head gasket goes it will produce a passage for the antifreeze to pass from the capillaries into the combustion chamber. It is easy to check if you have an air compressor. Remove one of the rear sparkplugs and the radiator cap. Fill the radiator and then push some air into the sparkplug hole (get a good seal in case a valve is open). Repeat with all the cylinders and watch for air bubbles coming up into the radiator. If bubbles come up or fluid is pumped out, the head gasket is blown and must be replaced. It is more likely to happen at the back of the engine because it is farthest away from the fan and therefore gets less cooling. Also check your oil for discoloration. If it is a brownish color it could mean your oil and antifreeze are mixing and has the potential to damage your bearings
Posted on Jan 29, 2009
The same thing happened to my 2003 ES300 - the smoke is coming from the oil seeping into the motor's cylinders. This is the classic "Oil Gelling" problem in Toyota and Lexus vehicles. There is a factory recall on it, but it only covers to 2002 ES300 not 2003. The Lexus dealer confirmed my "oil gel" problem and went to bat for me with Lexus - they got the repair approved - Thank you Mr Local Lexus Dealer! The cost was nearly $4,000 - paid for by Lexus.
Posted on Jun 08, 2010
SOURCE: overfilled engine oil on a
The oil was overfilled this could cause a large amount of oil to enter the exaust and possibly the intake depending on crank case ventilation conditions. If you are positive engine oil levels are adjusted perfectly(warm engine check level running for dry sump oil level ect.). Time is needed to burn off oil residue in exhaust system and intake. Warm up engine low rpm no load, drive vehicle slow with little boost over 5 mins slowly raise rpms for another 5 mins keep driving smoke will burn off while making other drivers mad. sorry just smile and wave.
The engine oil on this vehicle should only be changed by an experinced tech.
Posted on Oct 09, 2010
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