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  #1  
Old 11-04-2014, 05:57 PM
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Limp Mode - Many codes

Hey Guys,
Haven't posted in ages. Mostly lurking these days. Can you help me decipher Service Advisor email?

Quote:
There are many faults in the system some pertaining to your check engine light. the one we are doing under warranty is the egr cooler, and my technician just tole me we are also replacing the glow plug preheat module under extended warranty as well. there are also fautls for mass air flow and pressure, so we need to take apart the intake manifold to check the cylinder head for build up, and check the gaskets and glow plugs. If the cylinder head is clogged we will recommend doing a carbon blast to clean it, i will let you know first. for now we will take about the intake manifold and check everything first for 220.00, then i will cal you tomorrow
Codes are:
P0069
P0101
P0401
P0420
P0671
P2279

Also, apparently, the battery that's in it from the original dealership is the wrong one.
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  #2  
Old 11-05-2014, 03:27 PM
ard ard is offline
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1. What do you mean by "wrong" battery? Be specific. "Oh the sa said it isnt the right one" isnt.

2. Be careful. The SA is playing with YOUR money. You need to ask "WHEN did each code first occur?" Engine operating hours are OK. Also ask which are active. I sense a major screwing coming up here.

3. Read up on carbon fouling in the 335d forums. THIS IS A MUST. You will see that BMW has a problem and SOME owners are getting screwed...some are getting BMW to cover issues. It will be worth your time, IMO. I think the cleaning is 2-3k.

Do not let them do too much or suck you in too far.

My 2 cents
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  #3  
Old 11-05-2014, 03:53 PM
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Thanks Ard I was hoping you'd reply to this My SA is a total Ditz...

I can't get a straight answer from her and our current discussion is hell bent on me buying a new filter from her.

Back story:

several months ago, the x5 threw a cel for open circuit in glow plug cylinder 1. I took it to my independent and he replaced the glow plug but no joy in clearing the code so his next step was going to be to change out the controller. After some discussion, he suggested that it wasn't a necessity at this point and that I could drive the vehicle.

About a month later, She went into limp mode when downshifting as I was leaving my house. I turned around and parked her in the garage for another month till I had time to deal with it. (drove my other vehicle)

Now the time has come where I need the vehicle so I'm dealing with it. Battery had died in my garage so I jumped it and that's when I got to read the codes.

I had it towed to the dealership and that's where it sits. I'm asking my SA for detailed info: "Trouble Code - Remedy for trouble code - Is it covered/why/why not" Her responses are vague:
Quote:
I was actaully just in the back with the technician, we got the intake manifold off and checked everything, the good news is the cylinder head is not clogged, and we were able to check two other sensors that are faulted and are covered under the extended warranty, but i probably will not get them until tomorrow. To do the carbon blast on the cylinder head is not a covered component under the extended warranty, it doesnt cover regular wear or anything due to an outside source. usually its caused from bad gas, so that is not something that BMW will cover. But we dont have to do that now anyways, so thats good. the sensors that are faulted are the exhaust back pressure sensor and the charge pressure snesor that are internally faulted, but you do need to replace the air filter is crunched and not letting enough air get through, and i have to replace that so warranty doesnt see that that is also causing an issue since thats not covered, there will be no etra labor since im already in there, but the part is 57.91, so if its ok i would like to replace that as well. right now the only cost to you are the 50.00 deductible fot the covered items, the 57.91 for the air filter and the 220.00 for us to take the intake manifold apart to inspect the components. Im down to two faults right now which is good, so hopefully once all this is done, we will have no more faults!!

the faults i had for the mas airflow and pressure faults were 03ff0 and 004862, but they will not come up on a search

anyhow, if you have any other questions, please lt me know and if its ok to change the filter, and hold the car for the parts tomorrow

thanks!
She's adamant that not replacing the filter will cause a fault so my last message to her asked if that fault would prevent me from driving the vehicle. I know.. I know.. it's just $57 but I'm having a hard time swallowing $57 for a $20 Mann Filter. Hell I could swap it out for a K&N for that.


Edit: Oh yeah her explanation for the battery was that the one in the vehicle has lower voltage than what it's supposed to have which doesn't make any sense whatsoever. I've asked for an explanation so that I can go back to the dealership I bought it from but she hasn't answered. I can only assume she meant to say wrong amperage.
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Last edited by kungpao; 11-05-2014 at 03:59 PM.
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  #4  
Old 11-05-2014, 04:54 PM
ard ard is offline
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Id be more annoyed with the $220 wasted mucking about looking for carbon they werent going to cover.

You can see in her message that she has been "trained" to blame "external issues" and "bad gas"...this is the littany that BMW has propogated due to their design defects that cause fouling of the secondary air passages in many models of their car.

If you've read the 335d threads BMW **DOES** cover the cleaning when owners are sharp and pin them down.

Pay her the $$$. It is FAR better than a POS K&N.

I wouldnt let them do any work until they start gving clear cogent answers. A "Stop All Work" letter, FAXED to the dealer with a copy in the mail, CC to the general manager will get serious attention. If it gets to that... time for a 'come to Jesus' conversation. She may ne Ditzy..or she may be purposefully being vague. Or I suppose the deadly combo of 'both'..
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  #5  
Old 11-05-2014, 07:59 PM
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Quote:
Originally Posted by kungpao View Post
Thanks Ard I was hoping you'd reply to this My SA is a total Ditz...

I can't get a straight answer from her and our current discussion is hell bent on me buying a new filter from her.

Back story:

several months ago, the x5 threw a cel for open circuit in glow plug cylinder 1. I took it to my independent and he replaced the glow plug but no joy in clearing the code so his next step was going to be to change out the controller. After some discussion, he suggested that it wasn't a necessity at this point and that I could drive the vehicle.

About a month later, She went into limp mode when downshifting as I was leaving my house. I turned around and parked her in the garage for another month till I had time to deal with it. (drove my other vehicle)

Now the time has come where I need the vehicle so I'm dealing with it. Battery had died in my garage so I jumped it and that's when I got to read the codes.

I had it towed to the dealership and that's where it sits. I'm asking my SA for detailed info: "Trouble Code - Remedy for trouble code - Is it covered/why/why not" Her responses are vague:


She's adamant that not replacing the filter will cause a fault so my last message to her asked if that fault would prevent me from driving the vehicle. I know.. I know.. it's just $57 but I'm having a hard time swallowing $57 for a $20 Mann Filter. Hell I could swap it out for a K&N for that.


Edit: Oh yeah her explanation for the battery was that the one in the vehicle has lower voltage than what it's supposed to have which doesn't make any sense whatsoever. I've asked for an explanation so that I can go back to the dealership I bought it from but she hasn't answered. I can only assume she meant to say wrong amperage.
The E70 does not really have issues with carbon build up. Air flow faults can be caused by many thing. But, the primary reason the HFM is needed is to know if the EGR rates are correct.
Can you post the BMW codes? - the dealer should provide those.

So the battery was not retrofitted and registered - no going to cause the other issues - IMO.
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Old 11-06-2014, 02:16 PM
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I read "glow plugs", "egr" and immediately think of thermostat. On another forum, lcapital and ninja users did a good analysis and pretty much proved that low coolant temperature causes glow plugs to go bad, in addition to EGR and DPF issues, because regeneration simply does not happen.
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Old 11-06-2014, 03:49 PM
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the last thing she tried to tell me last night was that If we didn't replace the filter and it threw a fault, they'd have to take the intake manifold off again.

My reply was basically why the hell would you have to take the intake manifold off to change an air filter!?

Quote:
im sorry, i was doing two things at once when i wrote you back, it doesnot need to come off, i apologize.
Still no code explanations.
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Old 11-06-2014, 05:05 PM
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Sounds like you have CPO. Don't pay them a dime. Anything they do to try and figure out why there are fault codes is their problem. BMW is specific about fault code-->check this-->check this next etc. etc. If they took your intake off to look at carbon build up it either was to figre out why they were getting a fault code or not. If they don't get paid by BMW for doing that, that's their problem, not yours. As long as there are issues/fault codes they get to fix it. BMW is NOT cool about techs throwing parts at cars, so they deny stuff all the time, but that does NOT mean you get to pick up the tab.

I had an overheating issue on my 335xi, CPO still. They replaced the thermostat. Picked car up, car died 15 miles later spewing coolant. Water pump had gone bad, thermostat was never the issue. They replaced the water pump and then a month later sent me a letter asking me to pay them for the thermostat as BMW had denied that claim since it wasn't the thermostat in the first place. I said no, its your job to find what's broken and fix it. Your guessing isn't my problem. I called BMWNA and they confirmed that, and they in fact called the dealership and yelled at them for even billing me.

Bottom line, it's CPO, make them fix it and don't pay for a SINGLE thing that they 'think' needs done to maybe 'see' if that's the issue. She's a screaming moron, or the tech, or both, but you shouldn't have to pay for that.

And the air filter won't throw a code and they probably smashed it taking things off/on. I'd tell them you'll give them dealer cost for the filter or you'll bring one in. They can NOT tell you what filter to use, so one from another source is fine. They also can't void your warranty for a non-oem part. They'd have to prove that part caused the issue and there's no way another manufacturer is going to make an air filter that'd do that--or your attorney would have their hide.

Last edited by Proflyer; 11-06-2014 at 05:16 PM.
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  #9  
Old 11-06-2014, 05:13 PM
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Also, the carbon build up has been beaten to death on the 335 N54, the 335d and the X5d. The bottom line is BMW designed a junk system and has had to take steps to fix it. If it affects an emission component, they HAVE TO FIX IT. They do not have a choice. If they give you any flack, tell them you're going to call the EPA and report them for an emission warranty violation. It's a no BS deal. If something is malfunctioning (DPF not regenerating etc) it's a serious issue and they have to fix it. Further, the EPA is forcing mfgs to extend warranty coverage on the DPF systems that are having problems as it causes a huge pollution issue. A buddy is a duramax tech, and they were just forced to replace the entire DPF/EGR system on a 2008 duramax that had 575,000 miles on it. The EPA didn't care, said the system should work for the 'life' of the vehicle and the truck still ran otherwise.

If the carbon builds up to a point it clogs a sensor or the EGR or soemthing like that (and you get a readable fault), the'll have to fix it. They'll try and get you to pay for non-standard maintenance (carbon blasting) but that's for the uninformed consumer. And 'bad gas' is BS, she's an idiot. All diesel is ultra low sulfur in the US anymore and it has to meet certain requirements. There's no such thing as 'bad gas' when it comes to diesel fuel anymore. Water sometimes, yes, but that'll cause different issues.

The EPA doensn't play ball. Ask for the GSM next time she sends you some bonehead email.
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  #10  
Old 07-04-2015, 02:04 PM
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So what was the resolution? My x35d threw many of these codes yesterday and is now in reduced power mode.

I pulled and cleaned my EGR but no joy.

Last edited by nikpottala; 07-04-2015 at 02:06 PM. Reason: Add
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