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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Any M340i Performance mods?

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      08-15-2019, 03:04 AM   #1
ParrotBro
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Any M340i Performance mods?

I plan to get a M340i soon and plan to upgrade it for more speed, power and sound if possible.

What are some good mods I can purchase?
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      08-15-2019, 03:51 PM   #2
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      08-15-2019, 04:54 PM   #3
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Quote:
Originally Posted by ParrotBro View Post
I plan to get a M340i soon and plan to upgrade it for more speed, power and sound if possible.

What are some good mods I can purchase?
welcome to the forum and congrats on your upcoming purchase. The ONLY performance mod currently available (short of maybe a drop in air filter). Is a flash tune by Mission Performance. Look at a couple threads in this section to gain more info on the subject.

Rest assured as time goes by we'll start to see exhausts, intakes, DPs, and other flash tunes by companies other than Mission but for now it's only

Disclaimer: My 2017 340 is currently flashed by MP and I couldn't be more pleased. Happy HP hunting.

Ps- love my MP tune car hits hard and takes the daily abuse my right foot delivers to it and doesn't skip a bit with back to back track and AuotX laps

**edit**
Maybe a piggyback like a JB+ would work? After trying several of them on my 340 while waiting for a flash to come to market - now that I have a flash -
I would personally never go back to a piggyback (but that's just me - others opinions will vary)

Last edited by chenry; 08-16-2019 at 11:49 PM..
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      08-16-2019, 05:56 PM   #4
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the downpipe part number for the new z4 m40i is the same part number as the m340i ... and from what i understand is the new supra and the new z4 is basically the same car and with the same engine.

theres a downpipe for the new supra made by boost logic and rk tunes.

have been searching if the dp on the supra is the same as the dp on the z4 with no luck ... they sure look identical
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      08-18-2019, 05:56 PM   #5
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I spoke with Jordan @ RK Tunes briefly last week, he said to send him my VIN and he will confirm the part numbers w/ the Supra downpipe. He also said that if the brackets are different, he would be happy to modify it to fit our cars.

I got slammed with work so never emailed him, but will reach out this week and follow up.
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      08-19-2019, 08:58 PM   #6
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Anyone have experience with racechip. I messaged them the other day and as of this morning they dont have anything for the g20 yet. But when it is available i'm thinking about going that route.
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      08-19-2019, 10:51 PM   #7
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Quote:
Originally Posted by bcjbmwm3 View Post
Anyone have experience with racechip. I messaged them the other day and as of this morning they dont have anything for the g20 yet. But when it is available i'm thinking about going that route.
why are you waiting on a company that hasn't delivered anything other than a piggyback for the B58 for years - message them back and ask them when they will have something even remotely competitive for any B58 car let alone a G20 / racechip? why?

Last edited by itsglen; 08-19-2019 at 11:41 PM..
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      09-03-2019, 09:17 PM   #8
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Ventura Tuning from Holland have a powerbox for the G20 M340i. Will go to 425hp and 600Nm
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      09-04-2019, 08:14 AM   #9
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Originally Posted by DuarteG View Post
Ventura Tuning from Holland have a powerbox for the G20 M340i. Will go to 425hp and 600Nm
Pricing? Do they ship to the US?
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      09-05-2019, 05:33 PM   #10
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Quote:
Originally Posted by serg1282 View Post
Pricing? Do they ship to the US?
Something between 750-850 euros but you have to ask them a quote
https://venturatuning.pt/shop/cars/c...i-3-0-g20-g21/

They shipp worldwide
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      09-05-2019, 08:06 PM   #11
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Quote:
Originally Posted by serg1282 View Post
Pricing? Do they ship to the US?
If you're going for a piggyback might as well stay with a domestic company that has good local support and pick the JB4

burgertuning.com
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      09-05-2019, 09:06 PM   #12
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Quote:
Originally Posted by bimmer813 View Post
Quote:
Originally Posted by serg1282 View Post
Pricing? Do they ship to the US?
If you're going for a piggyback might as well stay with a domestic company that has good local support and pick the JB4

burgertuning.com
I agree 100% - and for anyone interested in a piggyback drop into the F30 for sale by owner classifieds (engine/drive-train etc section) - piggybacks are showing up on a regular basis if you want to save some money

Last edited by chenry; 09-05-2019 at 10:39 PM..
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      09-06-2019, 08:25 AM   #13
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Quote:
Originally Posted by bimmer813 View Post
If you're going for a piggyback might as well stay with a domestic company that has good local support and pick the JB4

burgertuning.com
Totally agree; I was just curious what they were offering since the site has no pricing.
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      09-07-2019, 10:09 AM   #14
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Quote:
Originally Posted by chenry View Post
I agree 100% - and for anyone interested in a piggyback drop into the F30 for sale by owner classifieds (engine/drive-train etc section) - piggybacks are showing up on a regular basis if you want to save some money
Be careful! I’m pretty sure the compatible JB4 is for the g-series chassis (G30 etc) rather than the f30 with the B58.
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      09-12-2019, 10:12 PM   #15
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Quote:
Originally Posted by InfamOusOne42 View Post
So the downpipes that they are making for the a90 Supra they fit on m340i xdrive
Are you shittin me? That would be amazing!
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      09-13-2019, 03:26 PM   #16
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Quote:
Originally Posted by InfamOusOne42 View Post
There it is Catless downpipe
what brand is this (sorry if this was already shared - I missed it)
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      09-14-2019, 06:53 AM   #17
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So it fits, nice! Does the support bracket on the side of the downpipe line up as well?
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      09-14-2019, 12:13 PM   #18
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Quote:
Originally Posted by InfamOusOne42 View Post
Rktunes
Can you give us some of your impressions so far on driving, sound, etc? Pretty sweet that this platform is going to likely get tons of aftermarket support given the Supra.
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      09-14-2019, 12:53 PM   #19
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Quote:
Originally Posted by InfamOusOne42 View Post
Quote:
Originally Posted by NikB316 View Post
Quote:
Originally Posted by InfamOusOne42 View Post
Rktunes
Can you give us some of your impressions so far on driving, sound, etc? Pretty sweet that this platform is going to likely get tons of aftermarket support given the Supra.
It's sound amazing even in comfort mod the downpipe wasn't not hard to find I put a video up on YouTube and Instagram
Sounds good! Thank you. Have one of these incoming for the next few months and want to do some relatively light mods. Downpipes & Tune seems pretty solid on the performance / sound front.
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      09-18-2019, 08:16 PM   #20
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Sounds amazing! Would be great if you can post an acceleration video and comfort mode video
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      09-20-2019, 02:57 AM   #21
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Any vids for how it sounds when you drive it?
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      10-05-2019, 07:33 AM   #22
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for sure getting that DP next, anyone have recommendation for place for installation in so cal ? san diego , oC or LA
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