Crankshaft/Camshaft issue on 750li - Bimmerfest - BMW Forums



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  #1  
Old 09-09-2014, 12:17 PM
509750 509750 is offline
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Crankshaft/Camshaft issue on 750li

I have a 2009 750li with 48k miles. Ever since I bought the car it would occassionally give me a "Drivetrain malfunction" error on screen. It never had any physical mechanical issues that were noticable. Just this message every few weeks. Then recently it started to be more and more common. To the point where every time I start it, I get this message. So I took it into a local dealer and they said it had code 130C01 (crankshaft-inlet camshaft, angle difference outside limit value). According to them this means the engine computer (DME) sees a problem controlling the cam angle. The data retreived from the DME showed that the cam is at -48deg, spec is 0deg. So they swapped the intake and exhaust sensors and retested the car after clearing the code. The DME then gave code 131408 exhaust cam not controllable, 131608 exhaust vanos not controllable and the previous 130c01 code. This confirmed a bad sensor and pointed to a mechanical issue with the inlet cam. They installed a new sensor in the inlet position and put the original exhaust sensor back in the exhaust position. Another test drive gave the 130c01 code again. They said this indicates a mechanical issue.

Based on that they recommend the cam base timing be checked. They said the BMW repair info stated IF the cam gear retaining bolts are not greased the cam gear and bolt must be replaced. There is an engine number break but they cannot read the engine serial number without tearing into it. You can't link the VIN to the engine serial from BMW NA.

So my question is what I described a common issue for this car? Does the dealer sound like they are on the right track? Right now its looking like a $2000-$2500 repair bill. 9 hrs just to tear it down.

What pisses me off is this error has been happening since day 1 of getting this car. I took it to the local BMW dealer and had them scan and check everything prior to the warranty expiring. They never mentioned anything about this code. Does the car store any historical code data that would show when this error first occurred?

And the fact that because BMW might not have greased some retaining bolts, I now have to buy a $300+ timing gear?
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  #2  
Old 09-09-2014, 01:06 PM
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Bimmer32 Bimmer32 is offline
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I am pretty sure that these electronic gadgets have log files. Will BMW allow mechanics to pull the information is another deal. It might be one of those situations where you have to throw a lawsuit in front of them (you putting out some risk) before they will do something about fixing it under warranty.
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  #3  
Old 09-09-2014, 01:20 PM
509750 509750 is offline
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The car is currently at an independent autoshop that specializes in BMW's. They said they have no access to historical error codes. Whether BMW or factory service centers do, may be a different story.
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Old 09-09-2014, 02:27 PM
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jgbackes jgbackes is offline
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Put the last 7 digits into a "VIN Decoder" and see what comes up. I got:

VIN - (Last 7) D136483
Series 7'
Model 750Li
Steering left-hand
Basic Type (model code) YE83
Upholstery code NAD5 Leather "Nappa/sattel-braun"
Engine N63TU
Warranty type (pseudotype) YE83
Drive Type REAR WHEEL
Production Date Mar 26, 2014
National-market version USA
Engine REAR WHEEL
Engine Number 21210787
Gearbox AUT
Body Sedan
Gearbox number 268076
Paint code 300 alpine white 3
Plant Dingolfing


I'm pretty sure that the "Engine Number" is the same as the serial number you are looking for.

BMW Archive VIN Decoder


jeff

Last edited by jgbackes; 09-09-2014 at 03:04 PM.
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  #5  
Old 09-09-2014, 03:26 PM
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Ram750 Ram750 is offline
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If the problem was reported and documented before your warranty expired, BMW will need to fix it for you.
You need to locate the printout when you mentioned that to the service team before your warranty expired. As long as it is stated on the print-out, you should not be on the hook.

I had a problem on my cluster saying "Service due since 01/2000". On a service visit, the dealer fully program my car (took a full day) and did a hard reset. That did the job. I was assured that if the problem persist and I out of warrant, they will replace the cluster (not at my expense). Fingers crossed, I'm still under warranty.

So I would imagine if your problem was documented before your warranty ran out, you would be covered.


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  #6  
Old 10-14-2014, 02:26 PM
509750 509750 is offline
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So 5 weeks later this problem is still unresolved. The independent service center the vehicle is at proceeded to pull the left valve cover and found the left cams both retarded. The engine also had evidence of prior disassembly. They replaced the left tensioner and fixed the cam timing. However this repair did nothing to fix the main issue and still shows the bank 2 inlet cam at -48deg before the engine is even started. All other fields are at 0deg.

Their scan also revealed the cars computer (DME) had previously been replaced and the software was updated about a year ago. They also updated with the latest software, but that did nothing for the timing issue. However its my understanding that none of this prior (DME swap) work shows up on BMW warranty records. I've requested a full history and am awaiting that email from the local dealer.

The thought from the current shop is that the engine shows prior disassembly, the cams were physically off atleast 1 tooth and the computer shows previously being replaced. This could indicate the prior owner of the car had the same issue I am having and went down the same path with no success and traded it in to get rid of it.

The history of the car shows that it was originally sold by a West Palm Beach FL dealer on 08/2009. Then it was traded in to a dealer in Cleveland OH on 12/2011. It then says "Vehicle purchase reported" on 1/23/12. Then on 1/24/12 it says "Title issued or updated. Dealer took title of this vehicle while it was in inventory.". On 3/12/12 I purchased it. Does that mean it was sold on 1/23/12 and then the dealer took it back on 1/24/12?

Basically at this point, i'm at a loss of what to do. Taking it to the current dealer it was at, I was told the vanos solenoid was bad and replacing that would fix it. So we did that and it didn't fix it. Then I was told the cam timing was physically off. So we did that repair and it didn't fix it. Now I'm told its a computer product and its $1500 to fix that. However it the DME was already replaced, my guess is that won't fix it either.

I called BMW NA and they were zero help as i'm 2nd owner and its out of warranty.
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Old 10-14-2014, 03:18 PM
bmwoem1 bmwoem1 is offline
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It sounds like the timing chains are stretched..... I know it sounds crazy but it's actually a very common issue with the N63's (I'm a BMW master tech). The only repair is to tear down the entire engine and replace the chains. All 4 Vanos gears usually get replaced as part of the repair. Unless you're willing to spend thousands..... I would get rid of the car


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  #8  
Old 10-14-2014, 03:26 PM
509750 509750 is offline
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What is the BMW number of hours spec on replacing the timing chains?

Why would the scan indicate a -48degree on the bank 2 inlet cam even before the engine is started?
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Old 10-14-2014, 06:18 PM
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jgbackes jgbackes is offline
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Quote:
Originally Posted by 509750 View Post
What is the BMW number of hours spec on replacing the timing chains?

Why would the scan indicate a -48degree on the bank 2 inlet cam even before the engine is started?
That is what was recorded when the engine was stopping.

jeff
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  #10  
Old 10-15-2014, 06:51 AM
BMW7XAudi BMW7XAudi is offline
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Did you check carfax before purchase?

I would never buy something with a history that looks like that, but some things don't hit the report. I had an S8 with a clean carfax and only 17k miles. General Manager was driving it. Needed a new engine by 45k. Clean CarFax though.

I would def contact a lemon law attorney.

B
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  #11  
Old 10-15-2014, 06:52 AM
BMW7XAudi BMW7XAudi is offline
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You should probably keep trying to move up the ladder at NA until they offer to send an engineer out or go back to the dealership where you purchased the car and raise... Did that with my audi.

B

Last edited by BMW7XAudi; 10-15-2014 at 06:58 AM.
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  #12  
Old 11-04-2014, 01:14 PM
509750 509750 is offline
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I spent alot of time on the horn with NA and because its not at an authorized BMW service center now, they won't do anything until an authorized tech looks at it and gets to the point where we are already at. So basically I would have to pay BMW tech's to repeat all the diagnostic work that's already been done.
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Old 11-05-2014, 08:33 AM
509750 509750 is offline
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So the shop replaced the tensioner and believes that fixed the timing issue from a mechanical standpoint. They said while the chains may be stretched and the timing may change in the future, that repair would not fix the current problem. They said they should be able to tell the DME (engine controller) to reset all values to zero and after the engine starts the values change. With my car the value for one cam is always at -48deg without the engine running. When the engine starts it never changes. Given all that they believe its purely a software issue and only a new DME will fix it at this point. Thoughts?
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Old 09-06-2016, 11:50 AM
scheff scheff is offline
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@509750
I know this post is a bit old, but have you ever been able to solve your issue? I'm asking because right now I have the same "130C01" error code. The local dealer wants to go the same path and has already replaced a few parts. Next they want to diagnose the chain.
I'm driving a 550i from 2010 with an N63.
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Old 09-18-2016, 07:29 PM
Motronic Motronic is offline
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Quote:
Originally Posted by 509750 View Post
So the shop replaced the tensioner and believes that fixed the timing issue from a mechanical standpoint. They said while the chains may be stretched and the timing may change in the future, that repair would not fix the current problem. They said they should be able to tell the DME (engine controller) to reset all values to zero and after the engine starts the values change. With my car the value for one cam is always at -48deg without the engine running. When the engine starts it never changes. Given all that they believe its purely a software issue and only a new DME will fix it at this point. Thoughts?

If it always says -48deg and even with sensor disconnected it indicates that it's either dme harness problem or actual dme can't read it due to let's say burned cascade for this sensor inside.
Can't believe they did all these repairs if sensor wasn't even showing any difference with engine started or not. Those values constantly change and you can use some tests so it activates vanos.
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Old 12-07-2016, 11:21 PM
Bavaria71 Bavaria71 is offline
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Hello guys I replace and swapped sensors still got the same problem . I get that massage and no torque
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  #17  
Old 07-31-2019, 11:40 PM
mcmt mcmt is offline
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Hi! I've got N63 that worked just fine. After changing valve stem seals I'm getting 130d01 crankshaft-exhaust camshaft, reference: angle difference within limit. Exhaust VANOS is constantly around -70.
Click image for larger version

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I've checked timing 3x already. Exchanging solenoids 1x. Changing VANOS for another, used.
Could you please let us know how did you managed with your 130c01?
I'm just exhausted. Can anybody help please?

Last edited by mcmt; 08-01-2019 at 02:21 AM.
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