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Terry @ BMS's Avatar
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Default 09-22-2019, 04:23 PM

You probably have a V1 system that doesn't have the integrated BCM connections so there won't be a ground wire. The ground is part of the BCM.


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(#427)
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Newn63 Newn63 is offline
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Default 10-30-2019, 10:24 AM

Quote:
Originally Posted by Terry @ BMS
We try to give the N63 a little attention. Still waiting for customer logs on the new firmware that was posted a couple weeks ago.
Terry,

Are you looking for any logs in specific? Normal driving,wot. Any specific map? 1,2,5 or 7?
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(#428)
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Newn63 Newn63 is offline
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Default 11-01-2019, 07:58 PM

Hereís a few logs
Attached Files
File Type: csv 2019-10-31 13_27_25_Map-2.csv (120.5 KB, 25 views)
File Type: csv 2019-11-01 22_34_37_Map-7.csv (95.9 KB, 26 views)
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(#429)
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Default 11-01-2019, 08:40 PM

Quote:
Originally Posted by Newn63
Hereís a few logs
I think that quoted an older post of mine.

On your logs Map 7 reverted to map0 due to maxed out fuel trims/lean AFR. But map2 looks OK. I'd stick with that.


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(#430)
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Newn63 Newn63 is offline
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Default 11-01-2019, 08:44 PM

Sounds good running e30 mix , would map 7 work better with 110 octane? Thanks for the reply
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Newn63 Newn63 is offline
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Default 11-07-2019, 10:56 AM

Quote:
Originally Posted by Terry @ BMS
I think that quoted an older post of mine.

On your logs Map 7 reverted to map0 due to maxed out fuel trims/lean AFR. But map2 looks OK. I'd stick with that.
Terry,
Hereís a few more this time with a 40% 110 octane to 60% 93 octane mix.

She feels pretty strong going to the strip tomorrow to get some numbers
Attached Files
File Type: csv 2019-11-05 15_45_26_Map-5110oct.csv (116.1 KB, 22 views)
File Type: csv 2019-11-05 15_48_09_Map-2110oct.csv (32.6 KB, 21 views)
File Type: csv 2019-11-07 12_20_58_Map-7110oct.csv (81.4 KB, 28 views)
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(#432)
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Default 11-08-2019, 12:34 PM

Map2 is prob the best fit but give them a whirl at the track and see what works best!


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Default Logging just because - 11-10-2019, 05:04 PM

Havenít been on here in a while. Here is log from a run to the store for the wife today.

How are all you N63s holding up?
Attached Files
File Type: csv 2019-11-10 10_52_37_Map-8 (93 only).csv (6.1 KB, 25 views)


KYtuning:Cayman Islands
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BDJL BDJL is offline
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Default 11-10-2019, 06:27 PM

A log from Friday.
Attached Files
File Type: csv 191108_1625.csv (55.0 KB, 20 views)


2011 550i 6MT
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Newn63 Newn63 is offline
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Default 11-12-2019, 10:41 AM

Mine is great ran a 12.9 @114 spinning in first and just a little in second so can definitely pull off a better time needless to say I’m happy no mods all stock just the good ol JB4
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Default 12-04-2019, 06:03 AM

Quote:
Originally Posted by Terry @ BMS
Map2 is prob the best fit but give them a whirl at the track and see what works best!
Terry, what plugs do you recommend? Iím changing my plugs and coils for maintenance thanks
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(#437)
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Default 12-08-2019, 10:12 AM

The 2step NGKs on our site gapped to 0.022"!


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Default 12-08-2019, 10:51 AM

Thank you!
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TTbavarian TTbavarian is offline
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Default 12-10-2019, 12:05 PM

Does anyone have a link to the install guide for the N63 Stage2/JB4 upgrade with the BCM? My JB4 still has the green/purple and brown/black wires and I just need the wiring diagram to install. Thanks
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DaddyNPH DaddyNPH is offline
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Default Trying to tune map 6 - 12-18-2019, 08:32 PM

I am new to the JB4 on an n63. I have a FBO N54 535i and saw massive gains going from stock to a 50% mix of E85 and 93 octane. I am not seeing anywhere near as noticeable of gains on the n63. I have tried map 1,2, and 6 on 93 octane with multiple different target gains and the car always seems to run the same exact 11.0s 60-130 times.

Am I looking at the logs wrong. It appears that the map 6 tunes with the higher targets are reaching higher boost pressures. The AFR seems good and the boost in the two banks are normally within 2 psi of each other. The IAT temps are staying super low. The Ignition timing seems to retard on some of the less aggressively tuned maps. Is there something I am not understanding about the logs? Why is the timing advanced higher with an 11psi target than with any of the other maps? Can I counter the timing retard with a little bit of E85 in the tank?
Attached Files
File Type: csv Map0.csv (7.2 KB, 9 views)
File Type: csv Map1.csv (4.0 KB, 8 views)
File Type: csv Map2.csv (3.5 KB, 12 views)
File Type: csv Map 6 7psi Target.csv (2.9 KB, 12 views)
File Type: csv Map 6 8psi Target 2.csv (2.8 KB, 9 views)
File Type: csv Map 6 8psi Target.csv (3.2 KB, 10 views)
File Type: csv Map 6 9psi Target.csv (4.1 KB, 8 views)
File Type: csv Map 6 9psi Target 2.csv (2.9 KB, 7 views)
File Type: csv Map 6 9psi Target 3.csv (3.0 KB, 8 views)
File Type: csv Map 6 11psi Target.csv (3.4 KB, 11 views)
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///Monst3r ///Monst3r is offline
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Default 12-20-2019, 12:13 PM

Quote:
Originally Posted by DaddyNPH
I am new to the JB4 on an n63. I have a FBO N54 535i and saw massive gains going from stock to a 50% mix of E85 and 93 octane. I am not seeing anywhere near as noticeable of gains on the n63. I have tried map 1,2, and 6 on 93 octane with multiple different target gains and the car always seems to run the same exact 11.0s 60-130 times.

Am I looking at the logs wrong. It appears that the map 6 tunes with the higher targets are reaching higher boost pressures. The AFR seems good and the boost in the two banks are normally within 2 psi of each other. The IAT temps are staying super low. The Ignition timing seems to retard on some of the less aggressively tuned maps. Is there something I am not understanding about the logs? Why is the timing advanced higher with an 11psi target than with any of the other maps? Can I counter the timing retard with a little bit of E85 in the tank?

High trims and leaning out starting in map 2. Not able to log fuel pressures but maybe you can increase fol to 80 because you shouldnít be octane limited at this boost.


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(#442)
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DaddyNPH DaddyNPH is offline
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Default Trying to tune map 2and 6 - 12-20-2019, 08:23 PM

So is 45 the max fuel trim?
In both Mao 2 and 6 it appears my timing is retarding quite a bit.
Map 6 is getting higher boost pressure, but the ecu always thinks the psi is at 5. Map 2 is getting slightly lower boost, but the ecu thinks the pressure is higher. Is it better to have the car think the boost is low or high, or does the ecu psi not matter and just the actual boost?
Attached Files
File Type: csv Map 6 FOL 80 9 psi target 16psi.csv (5.5 KB, 9 views)
File Type: csv Map2 FOL 80 14.5 psi.csv (5.9 KB, 10 views)
File Type: csv Map2 FOL 80 1st to 3rd.csv (3.3 KB, 10 views)
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(#443)
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Default 12-22-2019, 06:51 PM

Quote:
Originally Posted by DaddyNPH
So is 45 the max fuel trim?
In both Mao 2 and 6 it appears my timing is retarding quite a bit.
Map 6 is getting higher boost pressure, but the ecu always thinks the psi is at 5. Map 2 is getting slightly lower boost, but the ecu thinks the pressure is higher. Is it better to have the car think the boost is low or high, or does the ecu psi not matter and just the actual boost?
What year/model car? Pedal input is missing in the logs.


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Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

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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(#444)
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DaddyNPH DaddyNPH is offline
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Default Car Info - 12-22-2019, 08:36 PM

The car is a 2010 BMW 750Li production date 11/2009. The pedal input is 100 until the last data point in the logs when I let off the throttle and stopped logging.
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(#445)
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Default 12-22-2019, 10:46 PM

Do you have a pull say 40-90 or something? I can't tell if this is 3 runs, or you got on and off the gas, or what is going on here.
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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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(#446)
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DaddyNPH DaddyNPH is offline
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Default 12-23-2019, 06:10 AM

The 3 logs are 3 different pulls with constant Wot. The map 2 log labeled 1st to 3rd is a pull from stop to around 6k in 3rd. The other two pulls are from 2nd gear to around 6k in 4th.
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Newn63 Newn63 is offline
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Default 12-27-2019, 06:02 AM

Terry Happy Holidays !
I have a quick question, does the JB4 app have to be on in order for the tune to be active?
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(#448)
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Default 12-27-2019, 04:17 PM

Not at all!


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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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Newn63 Newn63 is offline
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Default 12-27-2019, 04:19 PM

Thanks!
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Default 12-31-2019, 05:53 PM

More logs. Some advice on what the average timing for this engine should be is greatly appreciated. My actual boost levels and timing seem to be all over the place. I have custom tuned other vehicles in the past, but I am completely unaware of what most of the acranyms on the logs stand for, so I don't really understand how the car is responding. Also is 45 the max fuel trim? What exactly is FOL(is it a standard unmetered chart the car will use to add fuel at WOT) and what is the max?

The AFR seems to be staying slightly rich under WOT and the IAT temps never rise, so why is the car randomly pulling timing? I am not getting any knock or misfire codes, but I do sometimes get a codes 190401 and 120708 which I believe are emissions related smtp codes that should not affect performance.
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