Black smoke.
Burning oil, worn piston ring, bad valve seals. if its smoking bad it should have a check engine light on. check codes that will tell you the problem.
Crank case vents valves are round and on both side on the motor in front on top of the valve covers. If they are ripped they WILL cause smoking and oil consumption. As well as secondary return lines need to be cleaned out ( EGR type lines)Those are the small problems. 1-2 hundred bucks.The 3-6k problem is normally the reason for smoking and smoking at idle. To test to see if its is your valve stem seals let the car idle for 5- 10 minutes and them step on the gas. If a tuft of smoke comes out then it IS the valve stem seals. Dont waste your time with putting the wrong heavy oils in. It will just ruin your car. Get the job done by a indy for 2=3k parts and labor. Leave the European repairs to the Euro guys. That is the correct answer.
for some one that seems to know a lot about BMW's you need to read the statement--It says BLACK smoke which is over fueling with low air content
oil consumption is BLUE smoke
so all of your statement is looking at the wrong symptom and would make the person seeking advice look in an expensive area
while an EGR valve may cause incorrect air/fuel ratio (BLACK ) smoke it is unlikely to cause blue smoke
I may stand corrected somewhat but if YOU read it I did state the fact that the CCV's (x2) do cause oil consumption, burns oil and is one of the cheap place to start($170 parts and labor). Suck it bill.
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Black smoke is over fuelling or running rich. check fault codes for oxygen sensor---air sensor ---faulty injectors etc PLEASE RATE THIS REPLY FOR ACCURACY
SOURCE: where is the brake fluid fill cap on a 2006 bmw
hi this is normally located to the drivers side bulk head on the servo unit under the hood/bonnet
SOURCE: my bmw 316i is burning
The first thing to do is clean the crankcase ventilation system. That may not turn out to be your problem, but you don't want to pursue other diagnostics until you are sure that the crankcase ventilation system is clear.
I am not familiar with the 316 so I cannot tell you how much work it is to get the plumbing off to clean it. I recently did my '04 325 and it was a real PITA. I have done clutch jobs that were easier than that.
SOURCE: HOW DO YOU RESET THE
Try turn the ignition on...next put foot on the brake....Then mash gas pedal to the floor all the way down until it touches the floor and then back up 3 or 4 times..completely while foot is on brake .This works for GM and chrysler...It might help you I am not sure but it is worth a try.....>Some vehicles have a reset and a settings button on the dash board....If you have these buttons the pedal trick wont work.......Hope this helps.............................Metalpoet
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