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Default 12-08-2019, 08:29 PM

Quote:
Originally Posted by cc61940542
log
Fuel pressure and knock look good, tried map2 for example? Might work out nicely here.


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Default 12-08-2019, 09:13 PM

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Originally Posted by Terry @ BMS
Fuel pressure and knock look good, tried map2 for example? Might work out nicely here.
map2 will add 3psi all range?
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Default 12-08-2019, 09:25 PM

Yes, and map3 4psi across the board.


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Default 12-08-2019, 09:34 PM

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Originally Posted by Terry @ BMS
Yes, and map3 4psi across the board.
FP_H, FP_l and trims are shown in the JB4 log, but I don’t know the conversion relationship between this and the actual value. Please tell me the scaling factors between these parameters and the actual value, especially trims. What are the upper and lower limits of trims? thank you very much
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Default 12-08-2019, 09:51 PM

FP_H is 0-50 = 0-3000psi. FP_L isn't logging currently. It's an analog input that would need to be attached to the sensor.


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Default 12-09-2019, 12:11 AM

Quote:
Originally Posted by Terry @ BMS
FP_H is 0-50 = 0-3000psi. FP_L isn't logging currently. It's an analog input that would need to be attached to the sensor.
trims?MHD will have a range of + -34 on N54, but what about JB4? Of course on rs3,thx
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Default 12-13-2019, 07:27 AM

Is there a way on the Mobile app (specifically the live digital gauge) to display both the actual boost vs the boost requested?


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Default 12-13-2019, 11:50 AM

Quote:
Originally Posted by theskunk
Is there a way on the Mobile app (specifically the live digital gauge) to display both the actual boost vs the boost requested?
Yes. Hold the gauge until the list pops up. Then you can click ECU psi for one (request) and boost (actual).


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Default 12-13-2019, 03:25 PM

Quote:
Originally Posted by Payam @ BMS
Yes. Hold the gauge until the list pops up. Then you can click ECU psi for one (request) and boost (actual).
Thanks! Is it normal for the boost request to be a bit 'laggy' in comparison to the actual reading?


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Default 12-13-2019, 04:04 PM

Quote:
Originally Posted by theskunk
Thanks! Is it normal for the boost request to be a bit 'laggy' in comparison to the actual reading?
Should be pretty instant as you push the pedal more.


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cc61940542 cc61940542 is offline
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Default 100-200km/h 6.45s - 12-15-2019, 08:17 AM

In terms of air intake, I just replaced a KN air filter, I feel like I have encountered a bottleneck. I have ordered the 4inch inlet of APR. When I install it, I will test it again. The current time is fixed at 6.45 s (full weight), and my log is attached.I noticed that WGDC100% @ 6500-7000rpm, stock turbo can only make 21-22psi. really want to touch 5.X with stock turbo,
PS: because my car is flashed, I did not install the BCM plug
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(#587)
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Default 12-15-2019, 10:12 AM

I would suggest attaching BCM plug, it may help here!


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Default 12-18-2019, 07:42 AM

Any status updates you guys can share wrt the no-boost issue?

Is there a way that we can turn the logging up to be more verbose to capture it with a bit more granularity? Now that it's cold out, I'm not sure what's happening but I hit it almost daily to the point that the car has zero boost until the ignition is cycled - no codes from JB4 nor VagCom.


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cityazndan cityazndan is offline
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Default 12-19-2019, 04:27 AM

Any updates on the no boost situation?


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Default 12-19-2019, 06:48 AM

Quote:
Originally Posted by theskunk
Any status updates you guys can share wrt the no-boost issue?

Is there a way that we can turn the logging up to be more verbose to capture it with a bit more granularity? Now that it's cold out, I'm not sure what's happening but I hit it almost daily to the point that the car has zero boost until the ignition is cycled - no codes from JB4 nor VagCom.
Quote:
Originally Posted by cityazndan
Any updates on the no boost situation?
The logging is at the max resolution for the amount of parameters logged. The more you add the lower the res becomes.

We have some different enclosures coming in the next week to test.


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cc61940542 cc61940542 is offline
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Default 12-20-2019, 06:52 AM

Quote:
Originally Posted by Terry @ BMS
Here is a log off a flashed one, who will be using the JB4 for fine tuning, logging, and running WMI. All of the JB4 maps are currently additive based. So he's adding a couple PSI over "stock" here.
Is this a stock turbo RS3? Wgdc was 100% when my car was redline, but I only saw 21.x psi
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Default 12-20-2019, 09:29 PM

Had me to list of no boost/boost drop then pick up!!! Today was cold(-20 C) so sometimes boost doesnt come up at all. Sometimes spool start pull hard, then drop off. running map 2 now on 91. I just bought the car, happy that JB4 was installed… now after reading this thread, im thinking of ripping the freaking thing off!!! RS3 2018 cts intake, iroz d p and mp
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Default 12-21-2019, 06:43 AM

Maybe cold weather have something to do with the aggravetion of the boost problem?
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russ86 russ86 is offline
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Default 12-21-2019, 07:50 PM

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Originally Posted by timmyzr1
Maybe cold weather have something to do with the aggravetion of the boost problem?
Unfortunately it's not the cooler weather. It's summer time in the southern hemisphere

I'm running a custom tune and have the JB4 in for logging with only the TMAP plugged in. I still experience the boost problem
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cc61940542 cc61940542 is offline
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Default 12-22-2019, 06:30 AM

Quote:
Originally Posted by russ86
Unfortunately it's not the cooler weather. It's summer time in the southern hemisphere

I'm running a custom tune and have the JB4 in for logging with only the TMAP plugged in. I still experience the boost problem
Yeah,even if it is only used for logs, there will be boost issues, there seems to be no effective way, currently it can only wait for JB
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Default 12-22-2019, 08:05 AM

Ill might have to take it off for the winter unfortunately!!! Ill wait to see if BMS come up with some kinds of solution, if not it will be permanant. Cant build something reliable with this now!
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Default 12-22-2019, 04:39 PM

Quote:
Originally Posted by russ86
Unfortunately it's not the cooler weather. It's summer time in the southern hemisphere

I'm running a custom tune and have the JB4 in for logging with only the TMAP plugged in. I still experience the boost problem
What happens in your trim if you attach the TMAP connector only to the MAP connection on the manifold? Both sensors have the same scaling so on map0 shouldn't matter. To see if the issue is TMAP signal related specifically.


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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 12-22-2019, 07:16 PM

Quote:
Originally Posted by Terry @ BMS
What happens in your trim if you attach the TMAP connector only to the MAP connection on the manifold? Both sensors have the same scaling so on map0 shouldn't matter. To see if the issue is TMAP signal related specifically.
I'll give that a go Terry and will let you know.
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Default 12-22-2019, 09:59 PM

Quote:
Originally Posted by Terry @ BMS
What happens in your trim if you attach the TMAP connector only to the MAP connection on the manifold? Both sensors have the same scaling so on map0 shouldn't matter. To see if the issue is TMAP signal related specifically.
Just confirming plug the TMAP connector (JB4) side to the manifold. Don't worry about plugging the manifold RS3 harness to the JB4?
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Default 12-23-2019, 04:25 AM

Quote:
Originally Posted by russ86
Just confirming plug the TMAP connector (JB4) side to the manifold. Don't worry about plugging the manifold RS3 harness to the JB4?
He means use the plug with all the wires on the intake manifold connection. The one with the brown dont connect at all.


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