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      06-19-2019, 02:48 PM   #705
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Can confirm shifts quicker and tighter for sure on our engine. Experience is overall pretty positive.

That being said, I had 3 occurrences with WOT on highway where the car would jerk/judder pretty violently at high RPM. It eventually triggered an MIL light.

I reflashed to stock, then flashed again then reset adaptations. Knock on wood, so far so good after that. I did send a support ticket with a log to PTF to see if there any underlying issues.

If anyone else got similar experience pls share.
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      06-19-2019, 06:56 PM   #706
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So how does bm3 affect day to day driving? Is there just more power available everywhere? What about the different driving modes? How are they affected? I'm thinking the powerband is just increase everywhere with less lag.
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      06-19-2019, 11:20 PM   #707
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Quote:
Originally Posted by rjdnyy224 View Post
Quote:
Originally Posted by andino View Post
Its available for n20/26 as well. Going to flash it tonight and see how it feels. xHP doesn't have a tune for the zf8 for n20/26 yet but hopefully this should be good enough!

Changes are pretty minimal according to PTF. Just increased holding on 3rd and 6th and slightly faster shifts. No real change in shift logic like the xHP tune.
Let us know what you think after you flash the TCU tune. The videos on their Instagram made it look like the shifting was dramatically quicker (it was an N20 328i). I'm gonna flash it the next day with decent weather...
It's differently quicker, I flashed mine on a n26 last night and shifts were much quicker and smoother.
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      06-19-2019, 11:50 PM   #708
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Quote:
Originally Posted by rjdnyy224 View Post
Let us know what you think after you flash the TCU tune. The videos on their Instagram made it look like the shifting was dramatically quicker (it was an N20 328i). I'm gonna flash it the next day with decent weather...
Only got a little bit of driving in yesterday but shifts feel smoother and tighter. But I didn't get too much driving in. Might be able to get out tonight to warm the car and trans up fully and do some pulls, but not sure if I'll have time yet tonight.
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      06-20-2019, 12:45 AM   #709
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Just watching closely.... I want to know how long they been running this TCU tune on a test car? Anyone have an idea just to make me feel better....lol

And is there any changes on the transmission behavior on comfort mode "D" position? Just for day to day around stop n go traffic LA street.

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      06-20-2019, 10:23 AM   #710
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Quote:
Originally Posted by Gen13 F36 View Post
And is there any changes on the transmission behavior on comfort mode "D" position? Just for day to day around stop n go traffic LA street.
In Comfort Mode in "D" feels normal to me , stop and go shouldn't be any issue as far as i can tell. This isn't an aggressive TCU Flash, more of a clean up to smooth things out. Hope that helps from my look on it.
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      06-20-2019, 10:40 AM   #711
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Curious how many use an external battery charger for the initial flash? Is it absolutely necessary?
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      06-20-2019, 10:49 AM   #712
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Quote:
Originally Posted by 3onDubs View Post
Curious how many use an external battery charger for the initial flash? Is it absolutely necessary?
I didnt use an external battery. I have also flashed several times after DME unock with no issues.
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      06-20-2019, 12:49 PM   #713
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Quote:
Originally Posted by 3onDubs View Post
Curious how many use an external battery charger for the initial flash? Is it absolutely necessary?
I've never used one. I don't think it's neccesary, but it's good to have just in case.
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      06-20-2019, 01:52 PM   #714
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Quote:
Originally Posted by esoj37 View Post
I didnt use an external battery. I have also flashed several times after DME unock with no issues.
Quote:
Originally Posted by rjdnyy224 View Post
I've never used one. I don't think it's neccesary, but it's good to have just in case.
Thanks

Read through most of this thread. I see that charge pipe is extremely recommended as it will blow eventually otherwise. Is that pretty much it or will it be a waste without upgrading DP?
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      06-20-2019, 02:18 PM   #715
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Quote:
Originally Posted by 3onDubs View Post
Thanks

Read through most of this thread. I see that charge pipe is extremely recommended as it will blow eventually otherwise. Is that pretty much it or will it be a waste without upgrading DP?
You don't really need any supporting mods for stage 1. A charge pipe and a high flow air filter will get you going in the right way thought.
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      06-20-2019, 05:30 PM   #716
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Quote:
Originally Posted by 3onDubs View Post
Thanks

Read through most of this thread. I see that charge pipe is extremely recommended as it will blow eventually otherwise. Is that pretty much it or will it be a waste without upgrading DP?
I've been running stock CP on stage 2 for almost 10k miles now. Don't want to jinx myself, so take that for what you will. No hardware mods are required for stage 1, and all you need for stage 2 is a DP and FMIC.

And no, stage 1 is definitely not a waste It's a great bump in power over stock.
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      06-20-2019, 09:19 PM   #717
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Also running stock CP - stage 2 since March, flashed prob 10 times no battery charger. Upgraded fmic and dp. Upgraded suspension made a big difference as well.
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      06-21-2019, 11:11 AM   #718
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Quote:
Originally Posted by esoj37 View Post
You don't really need any supporting mods for stage 1. A charge pipe and a high flow air filter will get you going in the right way thought.
Quote:
Originally Posted by rjdnyy224 View Post
I've been running stock CP on stage 2 for almost 10k miles now. Don't want to jinx myself, so take that for what you will. No hardware mods are required for stage 1, and all you need for stage 2 is a DP and FMIC.

And no, stage 1 is definitely not a waste It's a great bump in power over stock.
Quote:
Originally Posted by floridaorange View Post
Also running stock CP - stage 2 since March, flashed prob 10 times no battery charger. Upgraded fmic and dp. Upgraded suspension made a big difference as well.
Appreciate the feedback
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      06-21-2019, 05:59 PM   #719
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My thoughts on the trans flash for those curious: definitely a marked improvement in shift speed and crispness. Downshift rev matches are also legitimate rev matches now, far better than before. The downshifts sound just as clean as a well-executed MT rev match.

Also, manual mode is actually manual mode now. I did a first gear pull in M1, expecting it to shift at the top of the gear like usual, and it did not. It let me rev it all the way out until I let off. Kind of scared me, so just a heads up
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      06-25-2019, 08:20 AM   #720
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Hello folks.

Running Bootmod3 stage 1, 91 octane tune.

I just moved back to east coast and now have access to 93....

Will I experience any issues running 93 with 91 tune?

Eventually... I will buy the map pack and reflash to 93 but thats a couple weeks out yet.
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      06-25-2019, 09:06 AM   #721
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Quote:
Originally Posted by sspade View Post
Hello folks.

Running Bootmod3 stage 1, 91 octane tune.

I just moved back to east coast and now have access to 93....

Will I experience any issues running 93 with 91 tune?

Eventually... I will buy the map pack and reflash to 93 but thats a couple weeks out yet.
Using 93 on a 91 tune is fine. It just adds extra safety. Now using 91 on a 93 tune, thats a bad idea.
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      06-25-2019, 10:28 AM   #722
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Curious, what's the power gain when going from Stage 2 91 to Stage 2 93? Any other benefits?
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      06-25-2019, 09:08 PM   #723
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Quote:
Originally Posted by sspade View Post
Hello folks.

Running Bootmod3 stage 1, 91 octane tune.

I just moved back to east coast and now have access to 93....

Will I experience any issues running 93 with 91 tune?

Eventually... I will buy the map pack and reflash to 93 but thats a couple weeks out yet.
As CandyRedRC46 said, 93 on a 91 tune is just a little safety net, but 91 on a 93 tune is asking for knock.

Out of curiosity, where on the east coast did you move to?
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      06-25-2019, 09:08 PM   #724
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Quote:
Originally Posted by 3onDubs View Post
Curious, what's the power gain when going from Stage 2 91 to Stage 2 93? Any other benefits?
Pretty minimal. The 93 tune is just a few more pounds of boost and maybe a few extra degrees of timing over the 91 tune. Maybe 10-20 whp? Just a guess...
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      06-26-2019, 07:01 AM   #725
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The transmission flash was so clutch, pun intended. What a huge difference!!
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      06-26-2019, 10:35 AM   #726
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Quote:
Originally Posted by 3onDubs View Post
Curious, what's the power gain when going from Stage 2 91 to Stage 2 93? Any other benefits?
N55 pneumatic wastegate (PWG):
Stage 1 91: 19%HP / 28%TQ
Stage 1 93: 21%HP / 30%TQ
Stage 2 91: 25%HP / 34%TQ
Stage 2 93: 27%HP / 36%TQ

N55 electronic wastegate (EWG):
Stage 1 91: 25%HP / 28%TQ
Stage 1 93: 27%HP / 30%TQ
Stage 2 91: 31%HP / 34%TQ
Stage 2 93: 33%HP / 36%TQ
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