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2Addicts | BMW 2-Series forum Technical Topics Mechanical Maintenance and TSBs: Break-in | Oil & Fluids | Servicing | TSB What are the details for this SIB/TSB #?

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      11-29-2016, 07:05 PM   #1
MegaMatt3
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What are the details for this SIB/TSB #?

Hi all,

For those that have followed it, I've been having a drivability issue with my 2016 M235i. In a nutshell, I've been having throttle hesitation - sometimes at part throttle, sometimes when barely applying it, and most often when coming off it.

I'd taken it once to the stealership, about two months ago, and the foreman was not able to feel what I was feeling and it wasn't throwing any codes. So they sent me home with no changes.

I took it back again today, and while the foreman was still unable to reproduce, they did find and apply a SIB software update that I think may have finally resolved the issue. The engine hesitation has noticeably improved.

I'd like to take a closer look at the SIB details, if anyone's able to provide them, just to see if it was designed to address the issue I was having.

SIB #: 12 36 15


Any help would be appreciated. Thanks!
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      12-08-2016, 11:28 AM   #2
itzzoscar
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SI B12 36 15
Engine Electrical Systems
April 2016
Technical Service
SUBJECT
The Engine Intermittently Loses Power
MODEL
All models with the N20, N26, and N55 engines produced to 11/2015
SITUATION
Intermittently the engine may experience a loss of power along with a Drivetrain Malfunction message.
The Service Engine Soon light (MIL) may also be illuminated.

There are one or more of the following air mass plausibility and Valvetronic system faults stored in the DME memory:

F-series with BN2020

^ 102002 - Air mass, plausibility: Air mass too low
^ 120308 - Charging pressure control, plausibility: Pressure too low
^ 133B04 - Valvetronic system: No adjustment possible
^ [NEW] 191C02 - Fuel tank ventilation system, 2nd inlet point: Malfunction
CAUSE

^ [NEW] Defective Valvetronic or tank ventilation component
^ Erroneous faults set due to DME software parameters


Pulled off of All Data. I have access from my school
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      12-10-2016, 10:15 AM   #3
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Some libraries offer this data online too. Just FYI. Nice service if you are lucky enough to have it.
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      12-16-2016, 02:19 PM   #4
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Quote:
Originally Posted by itzzoscar View Post
SI B12 36 15
Engine Electrical Systems
April 2016
Technical Service
SUBJECT
The Engine Intermittently Loses Power
MODEL
All models with the N20, N26, and N55 engines produced to 11/2015
SITUATION
Intermittently the engine may experience a loss of power along with a Drivetrain Malfunction message.
The Service Engine Soon light (MIL) may also be illuminated.

There are one or more of the following air mass plausibility and Valvetronic system faults stored in the DME memory:

F-series with BN2020

^ 102002 - Air mass, plausibility: Air mass too low
^ 120308 - Charging pressure control, plausibility: Pressure too low
^ 133B04 - Valvetronic system: No adjustment possible
^ [NEW] 191C02 - Fuel tank ventilation system, 2nd inlet point: Malfunction
CAUSE

^ [NEW] Defective Valvetronic or tank ventilation component
^ Erroneous faults set due to DME software parameters


Pulled off of All Data. I have access from my school
Thanks very much! What is All Data? Website?
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      12-16-2016, 02:20 PM   #5
MegaMatt3
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Quote:
Originally Posted by P2 View Post
Some libraries offer this data online too. Just FYI. Nice service if you are lucky enough to have it.
Any thoughts on where? I'd love to be able to browse them.
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      12-17-2016, 04:26 PM   #6
P2
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Quote:
Originally Posted by MegaMatt3 View Post
Quote:
Originally Posted by P2 View Post
Some libraries offer this data online too. Just FYI. Nice service if you are lucky enough to have it.
Any thoughts on where? I'd love to be able to browse them.
Just try your local library.
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      12-19-2016, 07:46 AM   #7
itzzoscar
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Quote:
Originally Posted by P2 View Post
Some libraries offer this data online too. Just FYI. Nice service if you are lucky enough to have it.
Oh I didn't know that. Now I can do research at home. Thanks!

Quote:
Originally Posted by MegaMatt3 View Post
Thanks very much! What is All Data? Website?
Its an online service manual. It's a paid subscription i believe.
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      12-22-2016, 09:48 PM   #8
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Are you experiencing Cold weather temps where your at?
Sorry im unfamiliar with the climate in Maryland.

Im curious because here in Canada we get countless Cold Start Hesitation/rough idle on N55 engines... runs very rough and almost stalls out for like 10 seconds max....then runs 100% fine.. So far i have a theory that its a chemical mixture in some of the fuel stations premium fuels. Our best fix thus far is running Regular fuel 87-89 octane fuel and it seems to fix the issue, we have tried programming, eccentric shafts, spark plugs, coils etc... Just curious from a technician stand point.
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