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      03-25-2019, 03:01 AM   #1
aerobat
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Question ECU Tuning and BMW Service???

I need some advice. Soon I will do first (Oil) service at BMW.
I have a VF Hex ECU Tune. What have you done when servicing your cars?

- Is anyone aware of BMW making any software (ECU related) updates?
- Should I revert back to original before service?
- If I revert, can I just install tune again after service?
- Do I need an updated ECU file after service?

Anything else?
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      03-25-2019, 09:53 AM   #2
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You should do a search first.

Ultimately it depends on your dealership and your relationship with your SA. some are mod friendly and even encourage mods. Others are completely against them.

Regardless of that, I would always stress no software updates unless there was something critical (most recently in my opinion being the LCI dash display recall)

It's up to you to do your research for your SA. But if you want to be safe just flash stock and lock DME
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      03-25-2019, 02:25 PM   #3
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I have tried searching, if you are aware of any threads with direct answers to my questions, please provide link.
Do you know of any major ECU updates of a 03/2017 M2?
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      03-26-2019, 06:01 AM   #4
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I just mention to my service advisor that I would prefer not to have any updates done, the guys in service are gear heads, and love taking the car for a rip after an oil change, brake fluid flush or whatever, but not all dealerships are so cool.
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      04-03-2019, 09:17 AM   #5
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Quote:
Originally Posted by aerobat View Post
I have tried searching, if you are aware of any threads with direct answers to my questions, please provide link.
Do you know of any major ECU updates of a 03/2017 M2?
There are software updates available. I know because I got one. If you are not cool with your dealer knowing about your tune, simply flash it back to stock before you go in for service. Then flash the VF tune when you get home.

In my case, I told the dealer I had left the tune in place, and they went ahead and flashed over top of it. When I got home, I re-flashed the VF stage 2, and life was good.
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      04-03-2019, 02:06 PM   #6
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Not sure if that was the smart thing to do. VF Support told me to remove tune prior to service. Then to make sure, read ECU again after tune and send to VF for updated tune file.

Quote:
Originally Posted by switlikbob View Post
There are software updates available. I know because I got one. If you are not cool with your dealer knowing about your tune, simply flash it back to stock before you go in for service. Then flash the VF tune when you get home.

In my case, I told the dealer I had left the tune in place, and they went ahead and flashed over top of it. When I got home, I re-flashed the VF stage 2, and life was good.
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      04-03-2019, 02:10 PM   #7
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Quote:
Originally Posted by aerobat View Post
Not sure if that was the smart thing to do. VF Support told me to remove tune prior to service. Then to make sure, read ECU again after tune and send to VF for updated tune file.
Yes, that was one of my suggestions. It doesn't matter. The dealer software updates overwrites your ECU completely. IF VF wants a base read file after your dealer ecu update, then do what they ask. They send you a revised file and you reflash. What are you worried about?
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      04-04-2019, 02:56 AM   #8
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I have already solved my issue with good support from VF/Hex (Thanks).
My original questions was more that I wanted to know how others did in same situation.
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      04-04-2019, 07:31 AM   #9
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Quote:
Originally Posted by aerobat View Post
I have already solved my issue with good support from VF/Hex (Thanks).
My original questions was more that I wanted to know how others did in same situation.
I'm glad you got it worked out!
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