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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > Is coding reversible?



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      03-25-2011, 06:02 AM   #1
tracerit
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Is coding reversible?

would you be able to go back to the original setting by coding back to it? or is it a setting set in stone until you reflash the whole system?
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      03-25-2011, 06:31 AM   #2
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Its completely reversible...
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      03-25-2011, 09:08 AM   #3
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in fact, whoever does the coding for you, should take a back-up of your factory pre-set coding before changing anything. then, yes, completely worry free and reversible.
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      03-25-2011, 10:30 AM   #4
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what if a backup wasn't made?

is the backup like an "nandroid backup" with rooted android phones?

reason why i'm asking all this is that i got lci headlights installed and they did some coding. how i'm thinking about going back to my stock headlights so the coding done would probalby have to be removed.
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      03-25-2011, 10:47 AM   #5
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If they didn't change your VO for the LCI lights, you can just replace the stock lights and have them "Process Car" in NCS Expert. It'll return everything to their default settings based on your VO, no backups required.

If they did change your VO, they would need to change the VO back to it's original configuration, then "Process Car" in NCS Expert.

You would need to ask your coder exactly how they did your LCI retrofit.
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      03-25-2011, 11:14 AM   #6
tracerit
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what does VO stand for? tried searching but it was too short a term:/

would i be able to get into the coding program and play with it wihtout hooking it up to the OBD2 port? i have quite a bit of downtime at work and it would be nice to check things out before actually doing anything.
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      03-25-2011, 11:45 AM   #7
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Quote:
Originally Posted by tracerit View Post
what does VO stand for? tried searching but it was too short a term:/

would i be able to get into the coding program and play with it wihtout hooking it up to the OBD2 port? i have quite a bit of downtime at work and it would be nice to check things out before actually doing anything.
VO stands for Vehicle Order, it's also known as an FA (FahrzeugAuftrag which is vehicle order in German). It's a listing of all the option codes associated with your car. It tells the coding/programming software (whichever tool you happen to use) what options and modules are in your car so it can properly set the correct values in the vehicle's software.

There isn't a way to get into coding options without connecting a laptop to your car and using the right software.
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      03-28-2011, 03:58 PM   #8
tracerit
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Quote:
Originally Posted by Dracon View Post
VO stands for Vehicle Order, it's also known as an FA (FahrzeugAuftrag which is vehicle order in German). It's a listing of all the option codes associated with your car. It tells the coding/programming software (whichever tool you happen to use) what options and modules are in your car so it can properly set the correct values in the vehicle's software.

There isn't a way to get into coding options without connecting a laptop to your car and using the right software.
would "Process Car" be something that I can do myself with the cable and NCS EXPERT software? Coding at the shop would be around $60, i figured i might as well spend $40 more for the cable and do my own coding and get other features as well. B
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      03-28-2011, 04:43 PM   #9
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Yes, process car is a function of NCS Expert which allows you to write the default settings to all modules based on the VO.
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      03-28-2011, 06:16 PM   #10
tracerit
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Quote:
Originally Posted by Dracon View Post
Yes, process car is a function of NCS Expert which allows you to write the default settings to all modules based on the VO.
and there's no reference guide i have to look up to find out what the default settings are? i just plug in, find 'process car', run it, and voila?

i just plugged my stock xenon headlights back in and i'm not running any errors on the dash, so i might not even need to reverse code!
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