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      07-17-2019, 05:38 PM   #1
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What options do I have for ECU tuning a 2019 440i Gran Coupe Xdrive?

Hello folks. I'm new here. I spent about a week researching options for my situation and e-mailing a bunch of local tuning shops to find out the best option for me but alas, I can't seem to figure it out.

I just leased a 2019 BMW 440i Gran Coupe Xdrive and I was hoping to find an easy and cost effective way to increase engine power without hampering the drivetrain or the cooling system. Since I won't be installing any aftermarket parts on it (It's a lease), I was hoping for a "simple" ECU flash or tune up to achieve just that.

After searching for a while, I narrowed my options down to 3 choices and here they are:

https://www.mgflasher.com/engine/
https://www.tmcmotorsport.com/tuning...tails/10110648
https://www.vividracing.com/tuned-ec...152536712.html

Now I'm not an expert at this. My previous vehicle was a 2016 Cadillac ATS 2.0T which I used a Trifecta tune on and that worked great so I was hoping for a similar option with this BMW.

Which one should I go with and what other options do I have? The local shops here are asking for $1000 + tax with no dyno testing. I have no idea if it's a good deal or not.

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      07-18-2019, 07:03 AM   #2
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I would go for the BMW OEM tune. You still got warranty and I guess you don't want to lose it, especially since it is a lease.
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      07-18-2019, 10:27 AM   #3
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Quote:
Originally Posted by BWbimmer View Post
I would go for the BMW OEM tune. You still got warranty and I guess you don't want to lose it, especially since it is a lease.
What is a BMW OEM tune? Google doesn't return any results. I doubt the dealer would do such a tune up.
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      07-18-2019, 10:47 AM   #4
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      07-18-2019, 11:04 AM   #5
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      07-18-2019, 11:10 PM   #6
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I'm just looking for a user install-able tune/flash without requiring physical modifications.
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      07-19-2019, 12:27 AM   #7
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Quote:
Originally Posted by Gottagofast View Post
I'm just looking for a user install-able tune/flash without requiring physical modifications.
Nice car. Welcome. One con with say BM3 or any of the other/tuners is No warranty.

Quote:
Originally Posted by Gottagofast View Post
My previous vehicle was a 2016 Cadillac ATS 2.0T
I'm sorry.
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      07-19-2019, 02:26 AM   #8
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Quote:
Originally Posted by Gottagofast View Post
I'm just looking for a user install-able tune/flash without requiring physical modifications.
You do not need to do any physical modifications for an ECU tune.

However, you will quickly be broken down on the side of the road with a blown Charge Pipe, waiting for a tow to the repair shop.

And hopefully the plastic CP pieces did not get sucked into your engine intake when it exploded. Otherwise, you have an even more serious issue than just a Chargepipe replacement (and you will just blow the plastic OEM replacement again).
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      07-19-2019, 02:47 AM   #9
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Quote:
Originally Posted by IK6SPEED View Post
Quote:
Originally Posted by Gottagofast View Post
I'm just looking for a user install-able tune/flash without requiring physical modifications.
You do not need to do any physical modifications for an ECU tune.

However, you will quickly be broken down on the side of the road with a blown Charge Pipe, waiting for a tow to the repair shop.

And hopefully the plastic CP pieces did not get sucked into your engine intake when it exploded. Otherwise, you have an even more serious issue than just a Chargepipe replacement (and you will just blow the plastic OEM replacement again).
This is the a B58, not a N55.. It doesn't suffer from the same charepipe issue, it has take more boost, stock (up to 26lbs). It's also designed to with a flex section and is placed in a location to resist vibration, unlike the N55.

OP, I suggest you hold out a little; Dinan is supposedly working on a flash tune (not a piggyback) that should be out soon, for the B58.

It probably would be offered with some sort of warranty..
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      07-19-2019, 11:34 AM   #10
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Quote:
Originally Posted by Poochie View Post
OP, I suggest you hold out a little; Dinan is supposedly working on a flash tune (not a piggyback) that should be out soon, for the B58.

It probably would be offered with some sort of warranty..
Thanks! Are you talking about this kit?

https://www.dinancars.com/product/d4...440i%20xDrive/

Or is there another version incoming?
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      07-19-2019, 11:48 AM   #11
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Quote:
Originally Posted by eddymerckx3 View Post
I second this....It adds enough power and also won't void your warranty.
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      07-19-2019, 11:50 AM   #12
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Quote:
Originally Posted by IK6SPEED View Post
You do not need to do any physical modifications for an ECU tune.

However, you will quickly be broken down on the side of the road with a blown Charge Pipe, waiting for a tow to the repair shop.

And hopefully the plastic CP pieces did not get sucked into your engine intake when it exploded. Otherwise, you have an even more serious issue than just a Chargepipe replacement (and you will just blow the plastic OEM replacement again).
I thought the charge pipe issue was fixed for the 340i? :
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      07-19-2019, 02:02 PM   #13
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Quote:
Originally Posted by Gottagofast View Post
Quote:
Originally Posted by Poochie View Post
OP, I suggest you hold out a little; Dinan is supposedly working on a flash tune (not a piggyback) that should be out soon, for the B58.

It probably would be offered with some sort of warranty..
Thanks! Are you talking about this kit?

https://www.dinancars.com/product/d4...440i%20xDrive/

Or is there another version incoming?
No, it's supposed a flash tune, like BM3.

Dinan Stage 2 Update https://www.2addicts.com/forums/show....php?t=1602773


https://www.bimmerpost.com/forums/sh...php?p=24225142
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      07-19-2019, 02:40 PM   #14
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Quote:
Originally Posted by Poochie View Post
I see, I get it now. Is something wrong with the current BM3 F36 tune that would make you suggest waiting for the Dinan tune?
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      07-19-2019, 02:46 PM   #15
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Quote:
Originally Posted by Gottagofast View Post
Quote:
Originally Posted by Poochie View Post
I see, I get it now. Is something wrong with the current BM3 F36 tune that would make you suggest waiting for the Dinan tune?
Dinan usually has dealer-support, same as their old piggyback matching 4/50k mile warranty. My dealer in NJ, the service bay is plastered with Dinan promotions.

So, you wouldn't have to worry as much when it comes to warranty issue and possible denial, since a Dinan tune would have its own supplementary coverage.
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      07-19-2019, 05:01 PM   #16
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Quote:
Originally Posted by Gottagofast View Post
Thanks! Are you talking about this kit?

https://www.dinancars.com/product/d4...440i%20xDrive/

Or is there another version incoming?
As Poochie mentioned, Dianan's coverage is supplementary (typically 4/50k), Just a head's up that this particular part you mentioned (as you may have noticed) does not carry the typical 4/50k mile warranty. It's a one year warranty only. If you're worried about warranty, then this one is probably not worth it. You're better off getting a different Dinan tune.
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      07-19-2019, 09:22 PM   #17
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Quote:
Originally Posted by Poochie View Post

This is the a B58, not a N55.. It doesn't suffer from the same charepipe issue, it has take more boost, stock (up to 26lbs). It's also designed to with a flex section and is placed in a location to resist vibration, unlike the N55.
Good catch.

Quote:
Originally Posted by F30ZHP View Post
Quote:
Originally Posted by IK6SPEED View Post
You do not need to do any physical modifications for an ECU tune.

However, you will quickly be broken down on the side of the road with a blown Charge Pipe, waiting for a tow to the repair shop.

And hopefully the plastic CP pieces did not get sucked into your engine intake when it exploded. Otherwise, you have an even more serious issue than just a Chargepipe replacement (and you will just blow the plastic OEM replacement again).
I thought the charge pipe issue was fixed for the 340i? :
Yep. So much for detailed reading at 2AM.
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      07-19-2019, 10:29 PM   #18
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Bootmod3 stage 1 tune
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      07-19-2019, 11:29 PM   #19
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Driving home today in Sport + mode and MPPSK at full howl I can't imagine wanting a faster car. It's fast enough for me now.
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      10-09-2019, 10:49 PM   #20
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So I went with the 93 Stage 1 BM3 Mod and here are the results with 94 octane fuel as well as the weight of the car with half a tank of fuel:

2000 kilometers on the car and no oil change yet

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