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Posted on Jun 07, 2018

Hello, I have a 2006 BMW 650i convertible and once in a while it throws white smog. specially if I press ******* the gas pedal.

Also every 1 week or 2 weeks it tells me that my oil level is low and to add 1 quarter of oil and I manually check the oil and yes, it's low.

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Beamerc

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  • Contributor 8 Answers
  • Posted on Jun 09, 2019
Beamerc
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V8 BMW engine 4.4L and 4.8L have a common problem in drying after burning the valve steam seals in cylinder head, witch cause internal oil leak from the valves to the top of the pistons then the oil burns throw the exhaust valves explain the smoke from the tail pipe.
the issue will continue and will get worse with time until you replace the valve steam seals, $1500-$2500 mostly in labor, a BMW mechanic most have a special tool to do the job with out removing the cylinder heads, it's time consuming.

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Jul 23, 2009

SOURCE: can't find oil level stick in engine compartment

The BMW 525I doesn't have a dip stick. The oil level is checked using the "i" menu. Select service status and from there you should choose "check engine oil level".

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johnjohn2

Johnny Brown

  • 5763 Answers
  • Posted on Oct 15, 2009

SOURCE: BMW 316 leaking oil, about 1 litre every 2 weeks

your going to have to clean it down good with some engine cleaner, then run engine, try to pin down leak. may have a bad oil preasure switch thats leaking, or oil filter, or a gasket; hope this helps good luck.

Testimonial: "Great, thanks"

Anonymous

  • 437 Answers
  • Posted on Dec 01, 2009

SOURCE: What are the future problems of the BMW 650i?

The future problems? Now that really narrows down the possibilities. The biggest problem is running out of money once the warranty expires. The second biggest problem would be letting the wife or kids drive it.
Maintenance, maintenance, maintenance. These are very high maint. cars.
Electric seat motor and cables should go kaput. As will the drivers side electric window. The rear tailights will get water in them and quit. The oxygen sensor will quit leaving a check engine light on. The Bosch electric fuel pump IN the tank will quit as well, leaving you stranded. Get it replaced every 40-60 thou miles.

Sean80000

Sean Piquet

  • 1867 Answers
  • Posted on Dec 17, 2009

SOURCE: 2006 BMW 325i - low oil level 5 different times.

There is a lot wrong with "low oil" and low oil is not normal in a low mileage healthy engine.

The dealer is fobbing you off in the hope you will go away.

If the oil is being changed at least every 5000 miles or so there should be minimum oil depletion between changes with only very minor top up needed. Some oil consumption is normal but it should be minimal.

If the oil level is dropping to a very low level in about 4000 - 5000 miles of normal motoring you have a significant problem. The oil is either leaking out or the engine is burning excessive oil or a combination. If there is no leak through faulty seals or by other means such as oil escaping into the cooling passages of the engine, then there is excessive burning.

These engines are known for excessive oil consumption because the problem is a common one in the 06, 05, 04 and previous year builds back to about 98/99. The dealers know all about this problem - as does BMW - and they will try to fob you off until the car is out of warranty because the fix is expensive.

From what you say the problem has not been fixed on your car. Document the oil loss and insist on your warranty rights because your engine is using excessive oil and this is NOT normal in a properly functioning motor with as few miles as yours has. Make it clear to the dealer that you are well aware that excessive oil consumption is a common problem in many of the 325 petrol engines and you want it fixed under warranty.

Then sell the car as these vehicles will cost you quite a bit in repairs once out of warranty and once you clock up around 60000 miles or more. If you have an auto you can expect major problems at about 65000 miles (later if you are lucky) and replacement of the transmission will be necessary. Once you notice any significant problem with the auto transmission it is on it's way out.

Cheers
Sean

Anonymous

  • 1 Answer
  • Posted on Mar 14, 2010

SOURCE: 2006 BMW 530i with a slow/small oil leak.

I have the same problem 52000 miles on a 2006 525 i. I see some at the top of the engine near a square plastic cap. I cant even find the dip stick

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What are the future problems of the BMW 650i?

The future problems? Now that really narrows down the possibilities. The biggest problem is running out of money once the warranty expires. The second biggest problem would be letting the wife or kids drive it.
Maintenance, maintenance, maintenance. These are very high maint. cars.
Electric seat motor and cables should go kaput. As will the drivers side electric window. The rear tailights will get water in them and quit. The oxygen sensor will quit leaving a check engine light on. The Bosch electric fuel pump IN the tank will quit as well, leaving you stranded. Get it replaced every 40-60 thou miles.
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