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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications MHD, BM3, Mission Tunning or JB4

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      02-28-2020, 12:07 PM   #1
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MHD, BM3, Mission Tunning or JB4

Having a hard time to decide on what to go with. Can someone help me decide? Pluses and cons?
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      02-28-2020, 01:16 PM   #2
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Quote:
Originally Posted by Shinel View Post
Having a hard time to decide on what to go with. Can someone help me decide? Pluses and cons?
I don't have personal experience or even my vehicle delivered yet but there's a lot of positive talk on this platform around the Mission Performance tune and the gentleman who runs that business.

I'm sure others can chime in on that. There's also a current thread from another member talking about their experience with that tune
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      02-28-2020, 01:58 PM   #3
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Quote:
Originally Posted by Gdiddy23 View Post
I don't have personal experience or even my vehicle delivered yet but there's a lot of positive talk on this platform around the Mission Performance tune and the gentleman who runs that business.

I'm sure others can chime in on that. There's also a current thread from another member talking about their experience with that tune
I've read some reviews on here about mission and about Alex. I guess there is also a big difference in the ease of use with each product, and ofcourse the price point. I think jb4 is plug and play and is about 600-700 for the BT, while mission can go up above 1000, and with the new update the ecu must be sent out to them.

Last edited by Shinel; 02-28-2020 at 05:26 PM..
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      02-28-2020, 02:10 PM   #4
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Yes and others can contribute more than I can but I think there's more safety checks/restrictions in place with Mission's tune over the JB4. I'm a firm believer in the saying "you get what you pay for".

I believe JB4 is only piggy back. There's pros and cons to both but you'll have to do your homework and figure out what's going to work best for you!
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      02-28-2020, 02:29 PM   #5
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I'm running mission stage 2, and all I can say is I have a new car. Much better car than when I bought it. The power is simply insane, as I came from a F80 competition 6mt, and my old car is no where near the new in terms of performance. M340i by mission performance is simply brutal. And Alex is a top guy, always there to help.

The other tunes I cannot talk about as I have zero experience with them.
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      02-28-2020, 05:02 PM   #6
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I didn't think BM3 was available yet on the M340...
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      02-28-2020, 05:56 PM   #7
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Bm3 stage 1 is available.
The stage 2 will be down by Monday.
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      02-28-2020, 07:37 PM   #8
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Bm3 stage 1 is available.
The stage 2 will be down by Monday.
Over OBD2? For all software updates? The M340 isn't specifically listed on their site yet under the B58 tune. Not arguing with ya, you just apparently have more info than I.
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      02-28-2020, 08:00 PM   #9
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I just read the Mission thread on here and I think I'm gonna go with them. Seems like a great option.
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      02-28-2020, 08:27 PM   #10
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Here is the reply
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      02-29-2020, 10:28 AM   #11
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Quote:
Originally Posted by Shinel View Post
I just read the Mission thread on here and I think I'm gonna go with them. Seems like a great option.
While I've posted this before it's probably worth repeating for those that missed it.

Keep in mind when Toyota Global Corporation needed someone to tune their own B58 equipped (our engine) Supra Heritage edition they hired and flew Alex (Mission Performance) out to work on the car. Point being with unlimited resources and the pick of tuners around the world and their reputation on the line - they chose Alex. He is that good.

You and your car will be in very good hands working with MP - can't wait to read your review

https://pressroom.toyota.com/500-hor...o-supras-past/
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Last edited by chenry; 02-29-2020 at 03:37 PM.. Reason: typo :-)
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      02-29-2020, 04:10 PM   #12
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Quote:
Originally Posted by chenry View Post
While I've posted this before it's probably worth repeating for those that missed it.

Keep in mind when Toyota Global Corporation needed someone to tune their own B58 equipped (our engine) Supra Heritage edition they hired and flew Alex (Mission Performance) out to work on the car. Point being with unlimited resources and the pick of tuners around the world and their reputation on the line - they chose Alex. He is that good.

You and your car will be in very good hands working with MP - can't wait to read your review

https://pressroom.toyota.com/500-hor...o-supras-past/
Thanks for posting this. I had no idea. I’m in the same boat as OP. My car is on order but I want to make a decision on what to go with tune wise when it comes in so this is helpful.
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      02-29-2020, 06:02 PM   #13
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I'm still waiting for my car to arrive but I am leaning towards JB4 because I can transfer it to my next lease (next gen m240i?) or sell it to recoup costs. I've done this before with the Dinan piggyback and it has worked out well for me.
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      02-29-2020, 06:17 PM   #14
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Quote:
Originally Posted by 37b View Post
I'm still waiting for my car to arrive but I am leaning towards JB4 because I can transfer it to my next lease (next gen m240i?) or sell it to recoup costs. I've done this before with the Dinan piggyback and it has worked out well for me.
mission performance tune is transferable and/or sellable (is that a word ha) unlimited times - you pay a $100 transfer fee and away you go.

As an an example when my m340 arrives it'll be my 3rd transfer

MP is the only flash tuner that offers unlimited transfers
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      02-29-2020, 07:04 PM   #15
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Quote:
Originally Posted by chenry View Post
Quote:
Originally Posted by 37b View Post
I'm still waiting for my car to arrive but I am leaning towards JB4 because I can transfer it to my next lease (next gen m240i?) or sell it to recoup costs. I've done this before with the Dinan piggyback and it has worked out well for me.
mission performance tune is transferable and/or sellable (is that a word ha) unlimited times - you pay a $100 transfer fee and away you go.

As an an example when my m340 arrives it'll be my 3rd transfer

MP is the only flash tuner that offers unlimited transfers
I didn't know this. Looks like I might be leaning that way!
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      03-02-2020, 10:14 PM   #16
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Quote:
Originally Posted by chenry View Post
Quote:
Originally Posted by 37b View Post
I'm still waiting for my car to arrive but I am leaning towards JB4 because I can transfer it to my next lease (next gen m240i?) or sell it to recoup costs. I've done this before with the Dinan piggyback and it has worked out well for me.
mission performance tune is transferable and/or sellable (is that a word ha) unlimited times - you pay a $100 transfer fee and away you go.

As an an example when my m340 arrives it'll be my 3rd transfer

MP is the only flash tuner that offers unlimited transfers
And you've never had any issues on the tune? This is the first time I'm thinking of tuning but I've heard stories of blown engine and other issues so I've always been concerned. I don't need to have a bill to replace an engine.
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      03-02-2020, 10:49 PM   #17
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Quote:
Originally Posted by MindFusion FX View Post
Quote:
Originally Posted by chenry View Post
Quote:
Originally Posted by 37b View Post
I'm still waiting for my car to arrive but I am leaning towards JB4 because I can transfer it to my next lease (next gen m240i?) or sell it to recoup costs. I've done this before with the Dinan piggyback and it has worked out well for me.
mission performance tune is transferable and/or sellable (is that a word ha) unlimited times - you pay a $100 transfer fee and away you go.

As an an example when my m340 arrives it'll be my 3rd transfer

MP is the only flash tuner that offers unlimited transfers
And you've never had any issues on the tune? This is the first time I'm thinking of tuning but I've heard stories of blown engine and other issues so I've always been concerned. I don't need to have a bill to replace an engine.
If you don't have the money set aside for a new engine then don't tune it. There is always a risk when tuning a vehicle and it's your responsibility if something goes wrong.
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      03-02-2020, 11:16 PM   #18
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Quote:
Originally Posted by possible335i2008 View Post
Quote:
Originally Posted by MindFusion FX View Post
Quote:
Originally Posted by chenry View Post
Quote:
Originally Posted by 37b View Post
I'm still waiting for my car to arrive but I am leaning towards JB4 because I can transfer it to my next lease (next gen m240i?) or sell it to recoup costs. I've done this before with the Dinan piggyback and it has worked out well for me.
mission performance tune is transferable and/or sellable (is that a word ha) unlimited times - you pay a $100 transfer fee and away you go.

As an an example when my m340 arrives it'll be my 3rd transfer

MP is the only flash tuner that offers unlimited transfers
And you've never had any issues on the tune? This is the first time I'm thinking of tuning but I've heard stories of blown engine and other issues so I've always been concerned. I don't need to have a bill to replace an engine.
If you don't have the money set aside for a new engine then don't tune it. There is always a risk when tuning a vehicle and it's your responsibility if something goes wrong.
I've heard these engine can be upwards of 15k. Do most ppl that tune have 15k to replace an engine? If you flash your ECU back to stock will bmw even know?
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      03-03-2020, 10:10 AM   #19
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Quote:
Originally Posted by possible335i2008 View Post
If you don't have the money set aside for a new engine then don't tune it. There is always a risk when tuning a vehicle and it's your responsibility if something goes wrong.

Proven tunes are very safe, you can easily check that by data logging and monitoring boost, far, ignition timing, knock sensors, etc...

Anything in life has risks.
You make it sound as if proven tunes have a high risk of engine failure which is not true.

It's like saying do not push your car over 6k unless you have money set aside for a new engine.
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      03-03-2020, 10:21 AM   #20
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Quote:
Originally Posted by mike@x-ph.com View Post
Quote:
Originally Posted by possible335i2008 View Post
If you don't have the money set aside for a new engine then don't tune it. There is always a risk when tuning a vehicle and it's your responsibility if something goes wrong.

Proven tunes are very safe, you can easily check that by data logging and monitoring boost, far, ignition timing, knock sensors, etc...

Anything in life has risks.
You make it sound as if proven tunes have a high risk of engine failure which is not true.

It's like saying do not push your car over 6k unless you have money set aside for a new engine.
I think I'm being honest about the situation, if you don't have the money don't do it. Could you tune a vehicle and it last without any problems, maybe but that's not certain. Modern engines have a lot of variables and upping boost can change those variables in a way that can cause engine damage. That's all a factual statement, a engine isn't unreliable bc someone goes and messes with it and it pops lol, the engine wasn't made for that type of tuning. Do what you like just know what your getting into.

Also proven tunes is not a true statement, any tune can cause failure even the stock one, but the stock one provides a real warranty and was developed by a team of engineers
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      03-03-2020, 10:26 AM   #21
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Quote:
Originally Posted by possible335i2008 View Post
I think I'm being honest about the situation, if you don't have the money don't do it. Could you tune a vehicle and it last without any problems, maybe but that's not certain. Modern engines have a lot of variables and upping boost can change those variables in a way that can cause engine damage. That's all a factual statement, a engine isn't unreliable bc someone goes and messes with it and it pops lol, the engine wasn't made for that type of tuning. Do what you like just know what your getting into.
I get what you are saying, but all the data is against you. Tens of thousands of tuned cars out there. I can't think of 3 cases where the user put a stage 1 tune and had engine failure.

I'm not saying it's impossible; as I said earlier, everything is possible, but the risk is negligible at best.

As mentioned above, Toyota used a tuner to increase power on their new model. Does that make the latest Toyota model less reliable? of course not.
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      03-03-2020, 10:50 AM   #22
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Quote:
Originally Posted by mike@x-ph.com View Post
Quote:
Originally Posted by possible335i2008 View Post
I think I'm being honest about the situation, if you don't have the money don't do it. Could you tune a vehicle and it last without any problems, maybe but that's not certain. Modern engines have a lot of variables and upping boost can change those variables in a way that can cause engine damage. That's all a factual statement, a engine isn't unreliable bc someone goes and messes with it and it pops lol, the engine wasn't made for that type of tuning. Do what you like just know what your getting into.
I get what you are saying, but all the data is against you. Tens of thousands of tuned cars out there. I can't think of 3 cases where the user put a stage 1 tune and had engine failure.

I'm not saying it's impossible; as I said earlier, everything is possible, but the risk is negligible at best.

As mentioned above, Toyota used a tuner to increase power on their new model. Does that make the latest Toyota model less reliable? of course not.
So if the risk is negligible would you be willing to warranty the tune for the persons car?
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