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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E60 / E61 (2004 - 2010)

E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 06-17-2015, 07:56 AM
phl08 phl08 is offline
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2008 E60 'misfire' fault codes

2008 E60 528xi having some intermittent rough idle. The engine light comes on while this happens. If I stop the car, turn it off and start it again, the problem goes away for a period of time.

I got the awesome BMWhat OBD2 wifi interface and the iPhone app and read the codes as follows:

- Fault: Exhaust Vanos variable cam control test, mechanical
- Code: 002A87
- Fault: Misfire detection cylinder 1 in 1 Firing order
- Code: 0029CD
- Fault: To misfire at low fuel level
- Code: 0029D9

A lot of things I read about rough idle usually point to bad spark plugs. The car has about 66,000 miles on it.

Now a question to the experts here - where should I start looking to resolve the above codes?
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  #2  
Old 06-17-2015, 08:12 AM
impac4000 impac4000 is offline
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Codes point to Vanos Solenoids i would change both at thesame time the Exhaust and Intake Vanos very easy DIY
Check out the video


For both Vanos solenoids you are looking at around $200 each $100 time to change both of them around 30min
How old are your plugs ? I would change them too easy DiY price around $70
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  #3  
Old 06-17-2015, 08:18 AM
phl08 phl08 is offline
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Thanks for the quick reply. The plugs are probably original. Car was bought with 44,000 miles on it, and they haven't been changed yet. The DIY video I saw for the E60 looks a bit involved due to having to remove so many things to get to the plugs. Or is there a less intrusive, tedious way to get the engine cover off to get to them?

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  #4  
Old 06-17-2015, 08:26 AM
impac4000 impac4000 is offline
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Plugs are very easy to DIY all you have to remove is the Engine cover held by I believe 3 or for screws unplug the Coil and pull it up and than just pull out the Spark Plug
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Mods -- JB-4 G5, RPI scoop, BMS DCI, ER Chargepipe with HKS BOV, ER FMIC, VRSF Downpipes.
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  #5  
Old 06-22-2015, 05:47 PM
phl08 phl08 is offline
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I picked the low hanging fruit and did the VANOS exhaust solenoid. It was quite easy, as described. This was in my GF's 2008 E60. My 2008 E70 has them a bit harder to get to.

I cleared the fault codes and took it out for a road test. I gave it some 'umph' to see how it handled. The engine light came back on and the engine started running rough again.

I stopped it and checked the codes and saw that the solenoid fault (2A87) is gone and the other 2 came back.

- Fault: Misfire detection cylinder 1 in 1 Firing order
- Code: 0029CD
- Fault: To misfire at low fuel level
- Code: 0029D9

Would this be a good indication to replace the coil in cylinder 1? With about 63000 miles and no other faults, should I leave the plugs alone or just go ahead and replace them while I've got the engine cover off? And..silly question, but is #1 the closest to the front (E60 w/N52 engine)?

Last edited by phl08; 06-22-2015 at 06:14 PM.
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  #6  
Old 06-22-2015, 06:23 PM
impac4000 impac4000 is offline
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Yes cylinder 1 is closest to bumper
Swap coils around cylinder 1 to cylinder 2 and cylinder 2 to cylinder 1 and see if the code fallows
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  #7  
Old 07-04-2015, 09:05 AM
phl08 phl08 is offline
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I was able to swap out the #1 and #2 coils and the problem did, indeed, follow the coil to #2. Ordered a new Bosch from a very good eBay seller for <$50. Easy replacement. All good.
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  #8  
Old 07-04-2015, 09:13 AM
Amurtiger Amurtiger is offline
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Why are you running car out of gas do you enjoy replacing fuel pumps? Second code.
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  #9  
Old 07-04-2015, 01:00 PM
phl08 phl08 is offline
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Not sure about that code but I always fill up when the reserve light comes on, which I believe means about 2 gallons remaining
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  #10  
Old 07-04-2015, 01:30 PM
Amurtiger Amurtiger is offline
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Yea you like fuel pump money. This how you mess your engine up. When let fuel go below 1/4 your pump starts searching for fuel pick crap up from bottom and overheats and burns up. Code there be couse you keep running car out of fuel, you will have fun spending more money to fix stuff. I am going to gess you got oil leaks that need fixed and breather system done.
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  #11  
Old 07-04-2015, 02:35 PM
phl08 phl08 is offline
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I've not heard about dangers of letting fuel go below 1/4 tank. And, though I'm no BMW expert when standing next to many of the members here, I haven't had any problem with breather system, fuel pump or oil leaks (yet).
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  #12  
Old 07-04-2015, 06:02 PM
Amurtiger Amurtiger is offline
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I done alot, personal experience. Fuel keeps electric pump lubed and cooled. I know all doctors and bankers think they smarter then me, but gess what I am the one who fixes their screw ups and I make sure they know it's their fault and pay for it. Only do it to a holes that act like that. Giving you advise listen or not your choice.
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  #13  
Old 07-05-2015, 08:33 AM
phl08 phl08 is offline
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I guess I've been lucky. In 20 years of owning 5 VWs, a Chevy and 2 BMWs, I 95% of the time would fill up when the tank got below 1/4. I'm guessing a huge majority of the driving population does the same. Never had any of the problems you describe. Now, of course after writing this I'll probably encounter one of these issues and you'll be on here telling me "told ya so".
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  #14  
Old 07-05-2015, 08:48 AM
Amurtiger Amurtiger is offline
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You already got code for it lol
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  #15  
Old 07-05-2015, 08:53 AM
phl08 phl08 is offline
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I did but I f the solenoid and coil weren't bad, would that code in itself be a trigger for the engine light?
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  #16  
Old 07-05-2015, 09:51 AM
Amurtiger Amurtiger is offline
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That code not related to other 2, it's stand alone means as you rear your pump can't find fuel misfiring couse no fuel or low amount getting to rail.
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