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Partial filter warning light on

Tiny
BOBON WILLIAM
  • MEMBER
  • 2007 BMW 530D
  • 3.0L
  • 6 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Heya, I have a BMW 5 series e60 2007 m sport diesel. For a couple of days it has been showing a partial filter warning light, so I took it to the BMW specialist, he found out all of my glow plugs are gone, all of them. I do not understand how the car is still running. He also did a force regeneration but the warning light comes on after half an hour driving it. It costs me $1,540.00 to get the DPF and $300.00 on top for labor. Please what would you recommend? Only had the car for a month, I suspect that the dealer already knew that it was going to need repairing.
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Wednesday, September 5th, 2018 AT 5:59 AM

5 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
The glow plugs are only an aid to cold starting, and if you live in a mild to warm climate and you have a good strong battery and good compression, you often do not require glow plug warming. If the DPF has had a forced re gen burn and it has not done the job. I would be suspecting that the DPF has failed. If this workshop is BMW certified they should be able to run a diagnostic check to prove that the DPF is under performing and need replacing. One question, is the car showing any white smoke or excessive black smoke on heavy acceleration and overrun? This can be a clue to injector and fuel system problems as well.
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Wednesday, September 5th, 2018 AT 9:47 PM
Tiny
BOBON WILLIAM
  • MEMBER
  • 3 POSTS
No smoke at all, not even a little bit. I do not have loss of power.
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Thursday, September 6th, 2018 AT 4:23 AM
Tiny
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That indicates that the fuel system is in fairly good condition. I would be ensuring that the workshop is qualified to diagnose the DPF as being faulty as if they get it wrong it will be an expensive mistake.
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Thursday, September 6th, 2018 AT 5:13 AM
Tiny
BOBON WILLIAM
  • MEMBER
  • 3 POSTS
I was on my way to work, one hour later white smoke was filing the entire road and white smoke was coming through the air vents, but not from the engine. I turned it off and on again there was no smoke at all. The acceleration pedal was more of a sponge feeling with a fast response and a lot more power, I did put Cataclean in the tank so not sure if it is something I should be worried about or no.
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Friday, September 7th, 2018 AT 11:24 AM
Tiny
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Not sure, but I do not like using these wonder fixes in a can. I would let it go for a few days and see how it responds, maybe do a code check and clear just to see if anything has been set. If so do a clear, drive for a few days and re post what you are experiencing, and we will take it from there.
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Sunday, September 9th, 2018 AT 4:21 AM

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