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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Mon, May-15-2017, 12:04:46 PM   #11
itschrees
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Default Re: Buildjournal B-Spec Tune Review

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Originally Posted by Obioban View Post
There is a mac version of bmwflash, if that's what they're using to load/unload the tune.


Yup, that's the software.


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Old Mon, May-15-2017, 12:59:39 PM   #12
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Default Re: Buildjournal B-Spec Tune Review

So obviously this tune provides massive street cred and cool points

I'm curious as to the true performance sacrifice for the sweet sweet street cred.
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Old Mon, May-15-2017, 04:09:30 PM   #13
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Default Re: Buildjournal B-Spec Tune Review

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Originally Posted by aab010799 View Post
So obviously this tune provides massive street cred and cool points

I'm curious as to the true performance sacrifice for the sweet sweet street cred.
Just don't lift 3-4 upshift and you can also spit mad flames, yo. And you won't have to pay for a tune that dumps unburnt fuel into your exhaust creating other issues.
https://thebuildjournal.com/faq-troubleshoot/
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Old Mon, May-15-2017, 06:09:03 PM   #14
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Default Re: Buildjournal B-Spec Tune Review

Interesting that it improved MPG, especially with additional fuel being used.

Will this override existing tunes completely or does it adjust only a portion of the parameters?
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Old Mon, May-15-2017, 06:21:25 PM   #15
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Default Re: Buildjournal B-Spec Tune Review

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Originally Posted by aznbo187 View Post
Interesting that it improved MPG, especially with additional fuel being used.

Will this override existing tunes completely or does it adjust only a portion of the parameters?
Yea, my thoughts too. I wonder how that works. I was under the impression that all of these "crack & pop" tunes made mpg worse due to the necessity to dump in excess fuel. ....So, is this basically the sports car gasoline engine equivalent of "rolling coal" in a diesel?
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Old Mon, May-15-2017, 06:25:39 PM   #16
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Default Re: Buildjournal B-Spec Tune Review

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Originally Posted by Dr M3an M3 View Post
Yea, my thoughts too. I wonder how that works. I was under the impression that all of these "crack & pop" tunes made mpg worse due to the necessity to dump in excess fuel. ....So, is this basically the sports car gasoline engine equivalent of "rolling coal" in a diesel?


Haha that's a good way to put it.


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Old Mon, May-15-2017, 07:12:43 PM   #17
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Default Re: Buildjournal B-Spec Tune Review

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Originally Posted by CrookedCommie View Post
Just don't lift 3-4 upshift and you can also spit mad flames, yo. And you won't have to pay for a tune that dumps unburnt fuel into your exhaust creating other issues.
https://thebuildjournal.com/faq-troubleshoot/


If your catless there isn't a lot of risk... worst case scenario is if you have a cheap exhaust and you "pop" a weld.... key word being "cheap".


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Old Mon, May-15-2017, 07:42:13 PM   #18
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Default Re: Buildjournal B-Spec Tune Review

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Originally Posted by Dr M3an M3 View Post
Download VirtualBox on your Mac. From there download Windows 10 (Anniversary Edition). It is FREE from Microsoft's website. It will ask for a serial code, but you can skip that step (not needed) and it runs as a full complete version/operating system, as a virtual machine on your Mac. I have Windows 10 and XP running on my mac. Windows XP being my main "car tuning only" virtual computer. They are no different than using a PC, and run all the pc only programs. I almost bought a dedicated cheap pc laptop for car tuning...but considering this option is no different, cheaper, and I ALWAYS have my MCP on me, it was a no brainer.


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Quote:
Originally Posted by Obioban View Post
There is a mac version of bmwflash, if that's what they're using to load/unload the tune.
Cool. I see now in that thread that you can DIY a lot of this stuff.

http://www.m3forum.net/m3forum/showthread.php?t=508807

Interesting...
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Old Mon, May-15-2017, 11:22:17 PM   #19
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Default Re: Buildjournal B-Spec Tune Review

I don't see a contact e-mail on their webpage. Does anyone know what the difference is between their stage 1/2/3 burble feature?
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Old Tue, May-16-2017, 12:28:39 AM   #20
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Default Buildjournal B-Spec Tune Review

Quote:
Originally Posted by Ninohale View Post
If your catless there isn't a lot of risk... worst case scenario is if you have a cheap exhaust and you "pop" a weld.... key word being "cheap".





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Ehh, not true, there's still a risk to the O2's...depending on the severity of the burble/backfiring. A good backfire will kill O2's dead...might wanna stock up on those cheap non OE sensors-just in case. Some tuners don't even offer the "burble" tune because of this risk.

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Discussing Buildjournal B-Spec Tune Review in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)