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I have a 2003 bmw 745i that is currently burning oil/smoking out of the tailpipe when it’s at a standstill. I checked my ccv system and it looks good, I wanted to know where is the pcv located at? Thanx for the help.

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  • BMW Master
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Remove the 4 screws securing the acoustic cover (1) to the engine. Remove towards the front.
Remove the trim covers from both valve covers to expose the crankcase vent valves (1). Using a pick, release the six clips securing the vent valve.

Posted on Feb 09, 2019

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Posted on Jan 02, 2017

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SOURCE: i need to change my oil and filter on a BMW

The oil filter is located underneath the vehicle next to the drain plugand accessed through a removable trim cover. If I remember correctly the drain plug is a 7mm allen. The oil filter has a drain plug in it to predrain before removing the filter cap. I do not recommend removing the plug because it strips out sometimes. Instead you need to use a socket and loosen the cap slowly. Your engine will take 8qts bmw syn 5w30 oil. I like the factory oil because it is proven extended life oil. When reinstalling the drain plug make sure to replace the crush washer. Also, make sure to replace the oring on the oil filter cap and lube before reinstalling.

Posted on Mar 18, 2009

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SOURCE: 325i BMW emitting white smoke

You are smelling burning antifreeze. likely a head gasket but only testing will determine that for sure...Do not drive it. get it to a shop or more damage is likely.

Posted on Mar 18, 2009

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SOURCE: My mitsubishi 98 montero sport is burning oil and

you need to install valve seals also have all your front seals and cam bore seals checked

Posted on Jan 06, 2010

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SOURCE: HOW TO CHANGE THE OIL AND FILTER ON A BMW 745I BMW

open drain plug and let out oil.
oil filter unscrews and new one goes inside

Posted on Jul 22, 2010

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SOURCE: 95 volvo 850 burning oil. no leaks. How do i check

Hi, I have a 1996 Volvo wagon 850 turbo. I just bought it and when you hold the rpm's at 3 and a half it was blowing out smoke after about 600 miles it stoped smelling like burning oil and doesn't blow out any smoke. But I use a court of oil in about every 150 miles. What could this be?
Thank's Jodie

Posted on Sep 14, 2011

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Hi good day I am working on a BMW 320i out of japan I am getting white smoke and the exhaust is wet what cause it to happen ?the plugs burning white.


White smoke from the tailpipe is usually attributable to an engine combusting either antifreeze or water. Black smoke is caused by burning too much fuel and blue smoke is caused by burning oil...So I would say that your BMW is burning coolant of some kind. Does it smoke all the time the engine is running or just when it is cold?

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White smoke on idle still


I HATE TO TELL YOU THIS, BUT A WHITISH LIGHT BLUE SMOKE IS NOT YOUR VALVE SEALS....IT IS YOUR PISTON RINGS. IF YOU REV YOUR ENGINE, AND MAKES MORE SMOKE, IT IS DEFINITELY YOUR RINGS.

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I'd get a compression check done...

Apr 09, 2017 | 2003 BMW - 3 Series

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2003 Hyundai Santa Fe keeps using up oil, why?


If it's not leaking out, it's leaking in or burning it. Any smoke out of tailpipe? Look under radiator cap, does it look like chocolate milk? If so the head gasket is blown. I would check it really good before you have a catastrophe on your hands. And a really expensive repair bill. Let me know.

Jul 03, 2012 | 2001 Hyundai Santa Fe

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White smoke coming from rear on 2003 745i


Could be your cylinder head gasket has blown. Check your water and oil, have they mixed and are the levels down. If so you need to replace the gasket. Don't run it again until you're sure. It could wreck your engine.

Aug 18, 2011 | 2010 BMW 7 Series

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I ran my chev. 1990 pickup out of oil and now it smokes so bad. and i think my fuel pump is going out but not sure??


Sounds like you may have ruined the piston rings and this is allowing oil to seep in to the combustion chamber hence your smoke. Or if it overheated when you ran out of oil it is possible that you have a bad head gasket now. Check both your coolant and oil for signs, oil will have a white froth, or darkening of your coolant. Hope that helps you.

Aug 05, 2011 | 1990 Chevrolet C1500

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2005 3.5l some times smokes oil then stops


Smoke oil? For what your thinking that is oil? Smoke coming from the tailpipe is not good news, but does not necessarily mean the engine needs rebuilding. First, you need to determine what color of smoke is coming from the tailpipe
* White smoke is caused by water and or antifreeze entering the cylinder, and the engine trying to burn it with the fuel. The white smoke is steam. There are special gaskets (head gaskets are the primary gaskets) that keep the antifreeze from entering the cylinder area.
* Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe.
* Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm.


If you confirm us that is oil smoke, check and keep in mind that the car has many seals, gaskets, and O-rings that are designed to keep the engine oil from entering the cylinder, and one of them has failed. If too much oil leaks into the cylinder and fouls the spark plug, it will cause a misfire (engine miss) in that cylinder, and the spark plug will have to be replaced or cleaned of the oil. Using thicker weight engine oil or an oil additive designed to reduce oil leaks might help reduce the amount of oil leaking into the cylinder.

Keep us updated.

Apr 15, 2011 | 2005 Mitsubishi Diamante

1 Answer

2002 smoking started while driving, alot of smoke grey in color


Could be a lot of things:

I am assuming it's coming out the tailpipe? Did you over heat the car? I'd check the oil to make sure it isn't milky brown. If it is, it's probably a head gasket. You would have a LOT of smoke coming out the tailpipe though due to the coolant evaporating during the combustion cycle.

It could be your CCV (oil seperator) which cost about $150 in parts (if you buy them) plus labor.

It could also be your valve cover gasket.

Sorry to be so vague but more information is needed to pinpoint the problem. Hopefully this will get you in the right direction. Good luck.

Jan 01, 2011 | BMW X5 Series Cars & Trucks

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I have a 2003 745i BMW Transmission


Check the fluid level in the tranny. If that is good try servicing the tranny with a new filter if that dosen't work I would think that the torque converter may be acting up.

Sep 30, 2009 | 2003 BMW 7 Series

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