10-06-2019, 08:59 PM | #1 |
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Does BM3 alter CVN number or flash counter?
Do BM3 tunes alter CVN number or the flash counter?
I've been looking at available flash tunes for a few months now trying to decide who to go with. BM3 seems like the most widely used and they appear to have incredible customer service. The only thing I haven't been able to find anywhere is whether or not their tunes mess with CVN number or flash counter. A big selling point of Mission Performance is they say they don't alter those numbers at all so when flashed back to stock there will be virtually no evidence to the dealer of the tune. But MP doesn't appear to have great customer service so that's a big negative as well. Another company I've looked at is MG flasher. They also don't alter the CVN or flash counter and have the advantage of mobile flashing but I haven't heard of anyone running their tunes. Thanks! |
10-06-2019, 10:27 PM | #2 |
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All flash tuning is easily detected through various vehicle modules so whether or not you increment the flash counter doesn't do much for you. Main thing is to have a good relationship with your dealer and run tuning that is reliable so you don't blow up.
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10-07-2019, 11:12 AM | #4 | |
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10-07-2019, 11:13 AM | #5 |
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10-07-2019, 11:24 AM | #6 | |
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Also, they lock the counters similar to everyone else and have excellent customer support. |
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10-07-2019, 12:24 PM | #7 | ||
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Definitely a very conservative tune (on paper). Tuner also measures crank HP/TQ numbers. When translated to the wheels - isn't all that impressive. Also, takes around 40 minutes to flash. You also have to own an Android device to get the job done. |
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10-07-2019, 01:34 PM | #8 | |||
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As for flashing, ENet support was released last week. |
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10-07-2019, 01:40 PM | #9 | |
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The only thing that we made clear and have a mutual understanding about, is that at the end of the day, its all about pay to play. I made it clear to my dealer that should something catastrophic happen to the engine or turbo, it's probably coming out of my pocket (we did discuss some issues where that might not hold true). However, he made it clear that they would never red flag my car because of my mods and that if anything needed to be done to the DME, he would let me know so I can flashback to stock. It's really nice when you can drop your car off without having to do anything to your mods. Also, they won't deny coverage of warranty for example if my adaptive suspension stopped working and then they would try to blame the mods. He made it very clear that the modification has to correlate to the problem. So far the relationship has been very wonderful. Hopefully, it says that way and if it does, then I will for sure make all future BMW purchases from them.
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10-07-2019, 06:21 PM | #10 |
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Thanks for the feedback everyone. MG was my front runner for a while but the lack of iOS, or even windows laptop, support would mean I'd have to go out and buy an android device (so add another few hudred $$) and I've reached out to them multiple times asking if they have an ETA for an iOS app with no reply. It seems like BM3 it is! Does BM3 have a trans flash for the B58 as well? I've seen people with the B48 doing beta trans flashes.
Also, I try my best to have a good relationship with my dealership and SA. But every time I have been in for service, all of the SA's are middle aged women. They are all very nice and I like dealing with them but I have a feeling they're a little less interested in hearing about me tuning the car haha |
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10-07-2019, 07:32 PM | #11 |
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Android device is cheap .... Amazon Fire tablet (have to down a few things before you can use the google play store but I could do it in 10 minutes even without owning an android device before). Got the Fire 7 on sale for $40 and as you can use an enet cable the net costs are low.
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10-07-2019, 09:01 PM | #12 | |
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10-08-2019, 01:58 AM | #13 |
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SA won't care if car modified. They will warranty everything except power train as expected.
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10-08-2019, 07:22 AM | #14 |
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You can do direct wire connection with bm3. Put together the bm3 wifi device yourself and they provide software for it free. Then its just ENET cable to the device and USB from the device to your phone. I always use Wifi though unless I’m on my macbook air which I seem to prefer for tinkering more and more these days. Using a laptop with bm3 is really really nice. Mobile app for me is just quick on the go sort of thing.
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10-08-2019, 07:43 AM | #15 |
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