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      02-13-2009, 04:53 PM   #1
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Service Bulletin 13-05-08 (Rough Idle, Rough Running, Misfiring and Loss of Power)

Anyone familiar with this service bulletin? My car is in the shop and I'm being told that the problem is associated with this bulletin. Unfortunately, I have no ETA on the parts from German since they are on back order.

The service bulletin states that the stalling, rough idle and check engine light I am experiencing are caused by a faulty intake hose which needs to be replaced. My fear is that my wait for these parts may not solve my problem since the technician never confirmed that the hose was faulty.......they are simply waiting for the parts and then will see if that fixes the problem.
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      02-13-2009, 05:30 PM   #2
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I can look into it but for people wanting to see- here is the actual bulletin...

Load Graphics
This Service Information bulletin supersedes SI B13 05 08 dated December 2008.

designates changes to this revision

SUBJECT
Rough Idle, Rough Running, Misfiring and Loss of Power


MODEL
E90, E92 and E93 M3


SITUATION
The customer complains that the vehicle runs rough while idling or driving; the vehicle can misfire; and a loss of power can occur. In some cases, the vehicle's Service Engine Soon lamp is illuminated and fault code 2B23 (Idle-air actuator, regulator monitoring) will be stored in the DME fault memory. In some circumstances, the vehicle's engine control may enter the emergency program and store various misfire faults.

CAUSE
The idle-air actuator or idle circuit has become blocked or restricted, due to an internal separation of the rubber hose located between the idle-air actuator and the intake manifold. The layers of the rubber hose will tear away and restrict the idle-air actuator or one of the idle strips located on each engine bank.

PROCEDURE
On a customer complaint basis, remove the intake manifold in accordance with RA 11 61 050, Removing and installing air intake manifold (S65), to inspect all idle circuit components.

[GRUSB1208-09.JPG]
Remove and inspect the hose (1) located between the idle-air actuator and intake manifold. Remove and inspect the idle-air actuator (2). If debris is found, remove the debris, but do not replace the idle-air actuator. Remove and inspect both idle strips. If debris is found inside the idle strips, then both idle strips must be replaced. Whenever rubber hose debris is found in the idle circuit, it will be necessary to replace the rubber hose (1) between the idle-air actuator and the intake manifold as well. The rubber hose (4) located between the idle strips should be inspected and cleaned; do not replace this item.

PARTS INFORMATION
Part Number
Description
Quantity

13 41 7 839 097
Hose
1

13 41 7 838 260
Idle Strip Cylinder 1-4
1

13 41 7 838 261
Idle Strip Cylinder 5-8
1

32 11 1 135 522
Clamp
1

13 41 7 838 511
Clamp
2

WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.

Defect Code:
13 41 01 24 00


Labor Operation:
Labor Allowance:
Description:

13 41 550*
32
Removing and installing idle actuator


+11 99 000
3
Removing and installing or replacing idle strips

*Main Work - use this labor operation number when this is the only repair being performed, or if this is the main repair when performed along with other repairs at the same time. If this is not the main repair, refer to KSD for the associated (+) labor operation code.
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      02-13-2009, 06:45 PM   #3
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Wow, so this probably explains the problem that so many people have been reporting. Thankfully it's not major.
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      02-14-2009, 09:12 PM   #4
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Doesn't seem too major of a problem to fix but the big problem is the parts. I was at the dealership today and found out that there are many others with the same problem also awaiting their parts from Germany. No ETA.
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      02-15-2009, 12:18 AM   #5
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How many miles do you have on your car???
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      02-15-2009, 12:48 AM   #6
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      02-15-2009, 09:15 AM   #7
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Hmm...This happened to me once while AT the dealer. Drove the car in a week or so after I bought it, and while it was sitting there idling, the idle started to stutter and I had to give it gas to get it from stalling! They check codes - said everything was OK. No issues since - 4+ months now.
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      02-15-2009, 10:40 AM   #8
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Quote:
Originally Posted by gemini330zhp View Post
How many miles do you have on your car???
3500 miles.
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      02-15-2009, 11:45 AM   #9
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I had about 3500 miles on my car when this crap started happening. I have taken my car in for the 4th time to get this fixed. The first three times they were saying it was the idle accuator (you think they would get a clue!). This time they are saying that it looks to be the problem described above.

Hope that gets your car fixed.
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      02-15-2009, 12:22 PM   #10
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Subscribed, I believe I am a victim of the same problem.

This issue has been going on for about 6k miles. The dealer could never find what the problem was since it never would throw a code. Last week I finally had enough and broke out my own tools and started retracing there steps and removed the intake plenum myself. Mysteriously the car ran perfect after that. I found nothing out of the ordinary that would have caused the problem. I suspect that there may have been some debris within one or both of the idle actuator hoses that I cleared innadvertindly. If it comes back I know what to look for now. Ashame I am having to do my own investigative work and repairing to my own $65k car...
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      02-15-2009, 10:06 PM   #11
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Quote:
Originally Posted by John@BMW View Post
I can look into it but for people wanting to see- here is the actual bulletin...

Load Graphics
This Service Information bulletin supersedes SI B13 05 08 dated December 2008.

designates changes to this revision

SUBJECT
Rough Idle, Rough Running, Misfiring and Loss of Power


MODEL
E90, E92 and E93 M3


SITUATION
The customer complains that the vehicle runs rough while idling or driving; the vehicle can misfire; and a loss of power can occur. In some cases, the vehicle's Service Engine Soon lamp is illuminated and fault code 2B23 (Idle-air actuator, regulator monitoring) will be stored in the DME fault memory. In some circumstances, the vehicle's engine control may enter the emergency program and store various misfire faults.

CAUSE
The idle-air actuator or idle circuit has become blocked or restricted, due to an internal separation of the rubber hose located between the idle-air actuator and the intake manifold. The layers of the rubber hose will tear away and restrict the idle-air actuator or one of the idle strips located on each engine bank.

PROCEDURE
On a customer complaint basis, remove the intake manifold in accordance with RA 11 61 050, Removing and installing air intake manifold (S65), to inspect all idle circuit components.

[GRUSB1208-09.JPG]
Remove and inspect the hose (1) located between the idle-air actuator and intake manifold. Remove and inspect the idle-air actuator (2). If debris is found, remove the debris, but do not replace the idle-air actuator. Remove and inspect both idle strips. If debris is found inside the idle strips, then both idle strips must be replaced. Whenever rubber hose debris is found in the idle circuit, it will be necessary to replace the rubber hose (1) between the idle-air actuator and the intake manifold as well. The rubber hose (4) located between the idle strips should be inspected and cleaned; do not replace this item.

PARTS INFORMATION
Part Number
Description
Quantity

13 41 7 839 097
Hose
1

13 41 7 838 260
Idle Strip Cylinder 1-4
1

13 41 7 838 261
Idle Strip Cylinder 5-8
1

32 11 1 135 522
Clamp
1

13 41 7 838 511
Clamp
2

WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.

Defect Code:
13 41 01 24 00


Labor Operation:
Labor Allowance:
Description:

13 41 550*
32
Removing and installing idle actuator


+11 99 000
3
Removing and installing or replacing idle strips

*Main Work - use this labor operation number when this is the only repair being performed, or if this is the main repair when performed along with other repairs at the same time. If this is not the main repair, refer to KSD for the associated (+) labor operation code.

John,

Thanks for posting this, this will help with the case I have been building on trying to get me car fixed. I am having to do the this investigative work myself as every time I bring my car in for service concerning these very symptoms they couldn't seem to find the problem.

Thanks again,

YOU have been a BIG help.
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      02-15-2009, 10:54 PM   #12
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FWIW, the dealer tried performing the hose replacement per this bulletin on my car when I had the same issues. Didn't fix it. Ended up being the "idle control device".

Looks like a lot of people are experiencing this problem, with more every day.
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      02-15-2009, 10:59 PM   #13
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Jlaw,

Thanks for the feedback, Much appreciated.

More info to add to my case for the dealer to ingest.
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      02-15-2009, 11:00 PM   #14
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No problem. I'm curious if anyone with an 09 has had this problem, or if it's exclusively 08.
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      02-15-2009, 11:05 PM   #15
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Hmmm, that is a good question. I wonder if the newer cars (09's) possibly have a different actuator?
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      02-15-2009, 11:08 PM   #16
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      02-15-2009, 11:21 PM   #17
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Quote:
Originally Posted by jlaw View Post
No problem. I'm curious if anyone with an 09 has had this problem, or if it's exclusively 08.
Mine runs fine!
Car: 09 e92 DCT
Build Date : 2 days passed the DCT recall build date
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      02-15-2009, 11:44 PM   #18
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Quote:
Originally Posted by ase2dais View Post
Mine runs fine!
Car: 09 e92 DCT
Build Date : 2 days passed the DCT recall build date
how many miles on your 09- seems like 3500 miles is when the issue arises?
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      02-16-2009, 10:02 AM   #19
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Quote:
Originally Posted by jlaw View Post
No problem. I'm curious if anyone with an 09 has had this problem, or if it's exclusively 08.
My car is an 09.

I'm thinking I might need to talk to the dealership about the idle valve.....I really don't want to wait on the hoses and then find out that doesn't solve the problem.
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      02-16-2009, 12:16 PM   #20
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subscribing.. good to know.
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      02-16-2009, 07:15 PM   #21
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I have the same problem. On cold start-ups, the idle runs rough and the car throws faults Ie. DSC Malfuction, ABS Malfunction, Start Assist Disabled, etc. I turn the car off and re-start and all is well... until next time. Do you guys get the array of faults?

Dealer diagnosed my problem and the Idle Actuator from the Computer read out. I want to check my hoses myself, can Rovman explain the procedure for getting to the actuator?
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      02-19-2009, 03:26 PM   #22
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Quote:
Originally Posted by Eliminator View Post
I have the same problem. On cold start-ups, the idle runs rough and the car throws faults Ie. DSC Malfuction, ABS Malfunction, Start Assist Disabled, etc. I turn the car off and re-start and all is well... until next time. Do you guys get the array of faults?

Dealer diagnosed my problem and the Idle Actuator from the Computer read out. I want to check my hoses myself, can Rovman explain the procedure for getting to the actuator?
They diagnosed mine as the thermostat giving incorrect readings. That actually may be the case for part of the problem -- I mostly noticed that it didn't start happening until I reached mid temperatures.

But I dunno... I was supposed to get my car back on Monday. Come Thursday and they still haven't called me saying it's done.
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