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      08-10-2016, 11:49 PM   #1
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JB+ for 640i

Sorry if this has already been discussed but does anyone have experience with the JB+ for the 640i. Any CEL codes or issues.
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      08-11-2016, 06:03 PM   #2
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No CEL codes or any issues
We as other vendors offer it with 14 days money back guarantee if you would like to give it a try
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      08-12-2016, 04:49 AM   #3
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Sorry to divert from the topic - but why would I want to go for this over the JB Stage 1?
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      08-12-2016, 07:19 AM   #4
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Quote:
Originally Posted by mike@x-ph.com View Post
No CEL codes or any issues
We as other vendors offer it with 14 days money back guarantee if you would like to give it a try
Is this, or any other aftermarket tuning, 'latched' by the ECU, thereby allowing BMW to detect the mod?
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      08-12-2016, 12:32 PM   #5
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Quote:
Originally Posted by BDO View Post
Sorry to divert from the topic - but why would I want to go for this over the JB Stage 1?
JB+ is cheaper, easier to install and makes the same power as the stage 1(most of the time) and has adjustable boost

JB stage 1 offers more than the JB+ but costs more

JB4 stage 2 offers more than both but is also more expensive
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      08-12-2016, 12:33 PM   #6
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Quote:
Originally Posted by Jon D View Post
Is this, or any other aftermarket tuning, 'latched' by the ECU, thereby allowing BMW to detect the mod?
once the tune is removed your dealership will not detect it
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      08-12-2016, 04:29 PM   #7
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Quote:
Originally Posted by mike@x-ph.com
Quote:
Originally Posted by BDO View Post
Sorry to divert from the topic - but why would I want to go for this over the JB Stage 1?
JB+ is cheaper, easier to install and makes the same power as the stage 1(most of the time) and has adjustable boost

JB stage 1 offers more than the JB+ but costs more

JB4 stage 2 offers more than both but is also more expensive
Can you please elaborate on "makes same power most of the time "?

I'm confused between the plus and stage 1. What is the difference apart from price?
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      08-12-2016, 06:00 PM   #8
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Quote:
Originally Posted by BDO View Post
Can you please elaborate on "makes same power most of the time "?

I'm confused between the plus and stage 1. What is the difference apart from price?

Jb stage 1 has access to ignition timing, the JB+ does not

Boost is the same on both and most of the time timing is the same as well. In some cases the Jb stage 1 has more timing which translates into more power

Jb stage 1 can log boost, the JB+ cannot
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      08-14-2016, 07:07 AM   #9
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Quote:
Originally Posted by mike@x-ph.com
Quote:
Originally Posted by BDO View Post
Can you please elaborate on "makes same power most of the time "?

I'm confused between the plus and stage 1. What is the difference apart from price?

Jb stage 1 has access to ignition timing, the JB+ does not

Boost is the same on both and most of the time timing is the same as well. In some cases the Jb stage 1 has more timing which translates into more power

Jb stage 1 can log boost, the JB+ cannot
Gotcha. Have you had any occurrences of the car throwing codes when running this tune? Does it activate any of the "tuner" flags in in the DME, and I'd running this while still in warranty would you advise clearing the codes after removing the tune when taking the car in?
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      08-18-2016, 03:18 PM   #10
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Thanks Mike for the response. Do you know if this is learnable? Meaning, will car eventually adapt, in time, to bring it back to normal operating conditions?
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      08-18-2016, 03:32 PM   #11
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Quote:
Originally Posted by BDO View Post
Gotcha. Have you had any occurrences of the car throwing codes when running this tune? Does it activate any of the "tuner" flags in in the DME, and I'd running this while still in warranty would you advise clearing the codes after removing the tune when taking the car in?
No codes, no flags
Remove it before your visit and you are good
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      08-18-2016, 03:33 PM   #12
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Quote:
Originally Posted by JP1906 View Post
Thanks Mike for the response. Do you know if this is learnable? Meaning, will car eventually adapt, in time, to bring it back to normal operating conditions?
Not sure what you mean


If the Jb+ is installed, it will add boost
Once the JB+ is removed car will make stock boost
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      08-22-2016, 07:35 AM   #13
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mine has issues, very occasional rough idle followed by stalling. just have to turn it off and the back on...not sure what causes it
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      08-22-2016, 07:00 PM   #14
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Quote:
Originally Posted by cartaa100 View Post
mine has issues, very occasional rough idle followed by stalling. just have to turn it off and the back on...not sure what causes it
Did you contact BMS technical support ... Since it came out we have sold a ton , no major issues to report so far
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      08-24-2016, 03:34 PM   #15
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Thanks Cartaa and Mike.

Cartaa, let us know if you contact BMS and what they say.
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      08-25-2016, 08:07 AM   #16
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Quote:
Originally Posted by mike@x-ph.com View Post
Did you contact BMS technical support ... Since it came out we have sold a ton , no major issues to report so far
Quote:
Originally Posted by JP1906 View Post
Thanks Cartaa and Mike.

Cartaa, let us know if you contact BMS and what they say.

We have run logs and they haven't been able to identify the issue yet.
Apparently they need to do a few more tests to try and figure out whats going wrong.

On the plus side the tune is GREAT when working! just not being able to change settings on the fly and the occasional (1/100 starts) stall after start up and some weird jerking i occasionally get maybe ever 600mi it will happen twice is all a tad frustrating.

Hopefully it will be sorted soon.

Will keep you guys posted.
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      10-21-2016, 07:38 AM   #17
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still no answer.

I have sent it back for a refund
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      10-21-2016, 06:07 PM   #18
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Quote:
Originally Posted by cartaa100 View Post
still no answer.

I have sent it back for a refund
Sorry to hear that
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      11-03-2016, 09:21 PM   #19
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Is there anyone on here that can talk about the JB+ on their 640i?(besides mike@x-ph.com) would like to hear from actual customers
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