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BMW Coding and Programming
Discuss coding options and features on your BMW here.

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  #1  
Old 04-07-2017, 06:22 AM
Badsmerf Badsmerf is offline
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Coding Questions

Hi everyone. I'm obviously very new to the BMW world, and in particular coding. I've done a lot of work on my vehicles in the past, however no coding. There is so much information on this forum its really impressive. Some of the questions I have are so basic its almost embarrassing. I bought my vehicle broken (bad injector, rear nox sensor and scr... all diagnosed at the dealer since I didn't have software set-up). Now its still at the dealer waiting on a new scr from Germany. I'm hoping I can learn this vehicle in the meantime and prevent costly repairs down the road (or before they put in the scr).

1. I have E070-12-07-501 currently installed. What are the benefits of updating the software? Is there any chance updating could take care of my so-called bad scr?

1b. Is there a way to disable the fault code for nox and still keep the system running?

2. I want to put a hitch on. Can I use NCSexpert to code the vehicle to allow the OEM wiring harness to work? I've searched for this unsuccessfully, sorry if I missed it.

3. For simple coding (not programming) does the truck need to be plugged in to the 70amp power supply?
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  #2  
Old 04-07-2017, 06:30 AM
God-Follower God-Follower is offline
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If it has a bad NOx sensor, they have no way of knowing the SCR cat is bad; that rear sensor is what reports the efficiency of the system!

As for the hitch, ISTA/P has a built in conversion that can enable the wiring harness functions, assuming you also install the trailer control module.

I know I didn't answer your questions, but wanted to throw that out there.

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Last edited by God-Follower; 04-07-2017 at 06:32 AM.
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Old 04-07-2017, 06:59 AM
Badsmerf Badsmerf is offline
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Quote:
Originally Posted by God-Follower View Post
If it has a bad NOx sensor, they have no way of knowing the SCR cat is bad; that rear sensor is what reports the efficiency of the system!

As for the hitch, ISTA/P has a built in conversion that can enable the wiring harness functions, assuming you also install the trailer control module.

I know I didn't answer your questions, but wanted to throw that out there.

Sent from my ONE A2005 using Bimmerfest mobile app
They replaced the sensor first, then declared the scr bad. Frustrating story. Wish I had more knowledge before this happened.

I just got ista+ installed. I haven't seen anything regarding ista/p and enabling the harness functions. Sounds pretty simple.
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Old 04-07-2017, 07:01 AM
God-Follower God-Follower is offline
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If you got ISTA+ you can program the car with that too, including the hitch conversion.

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  #5  
Old 04-07-2017, 07:08 AM
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Quote:
Originally Posted by God-Follower View Post
If you got ISTA+ you can program the car with that too, including the hitch conversion.

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E series cannot be programmed with ISTA+, ISTA/P is required for the retrofit.
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  #6  
Old 04-07-2017, 07:11 AM
God-Follower God-Follower is offline
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E series cannot be programmed with ISTA+, ISTA/P is required for the retrofit.
Good call, I forgot we were dealing with an E70 here. We see fewer and fewer under warranty anymore, so in my head I had it as an F15
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  #7  
Old 04-07-2017, 07:42 AM
God-Follower God-Follower is offline
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Quote:
1. I have E070-12-07-501 currently installed. What are the benefits of updating the software? Is there any chance updating could take care of my so-called bad scr?
There are a few benefits, but nothing really major. On your vehicle I can't think of any drawbacks to updating, other than the very small risk that something fails programming and needs replacement. On E70s this is pretty rare, the only trend we see is FRM failure. However that is just as likely to happen when clearing faults with ISTA+, so the dice have already been rolled.

Quote:
1b. Is there a way to disable the fault code for nox and still keep the system running?
Legally, no. It is an emssisons system and as such is illegal to disable or change the monitoring in any way, even if it is still functioning in some capacity.

In actuality, yes. There are aftermarket companies that offer DDE tunes to disable the SCR system(and EGR as well, IIRC).

Quote:
2. I want to put a hitch on. Can I use NCSexpert to code the vehicle to allow the OEM wiring harness to work? I've searched for this unsuccessfully, sorry if I missed it.
ISTA/P is probably the easiest way to do this, but the flags and VO could be manually changed in NCS if you wanted to and had had the patience to figure it out. I don't have a link to the guide however.

You can ask for ISTA/P links in the same thread you ask for ISTA+ links, it is a sticky in this subforum.

Quote:
3. For simple coding (not programming) does the truck need to be plugged in to the 70amp power supply?
A power supply is always a good idea, especially on E70s. They are one of the most power hungry chassis BMW has on the road, so it doesn't take long for them to kill a 12V battery if many accessories are running.

Could you get away with coding a module or two without one? Probably. But I wouldn't risk it on my vehicle.
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  #8  
Old 04-07-2017, 08:11 AM
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Have you checked if there was a recall for your SCR system? I found this article. Maybe worth checking out to see if your car has a recall on it?

ISTA+ version 4.01.36 specifically had this issue where the FRM could be fried because of diagnostics and incompatible software, but if I remember correctly, there was an SIB for it:
Quote:
Originally Posted by ntuner View Post
FRM might be dead. There's an SIB about this and BMW has extended warranty on FRM module to 8 years/125,000 mi. See SI B 01 20 16

When performing ISTA/D diagnosis and/or a programming procedure (software update) on an affected vehicle, the Footwell Module (FRM) could fail.

There is a compatibility issue with certain combinations of vehicle software (Plant Integration I-Level) and the Footwell Module hardware installed in the vehicle.

If the “Situation” occurs to an affected vehicle, replace the failed Footwell Module.

BMW NA has extended the limited warranty for the Footwell Module (FRM) on this vehicle to 8 years/125,000 miles as determined from the original in-service date. This component- specific limited warranty extension applies to defects in materials or workmanship. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Please see SI B01 20 16
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  #9  
Old 04-08-2017, 02:04 PM
Badsmerf Badsmerf is offline
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I can't view that article. I did check, had the dealer check, and I'm SOL.

Any other advise on the harness coding? I thought blue Dragon had done it himself with his e70? If i have to go the cheap route I will, but I'd rather do it right the first time.
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