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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > PWG with Pure Stage 2 running flash only
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      05-16-2019, 09:51 AM   #23
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Originally Posted by StuyMac View Post
I have a PWG with PS2, but I have the TTFS HPFP...

Im peaking at 25psi but holding 19-20 to redline. Just added meth, so maybe adding a little more once setup.
Logs to share?
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      05-16-2019, 10:22 AM   #24
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Originally Posted by harkes View Post
This look a lot better than when I ran BM3. I still think it is worrying to see 2psi overboost without throttle compensating. Also, when boost dip further and further under target in high RPM why does WGDC not increase to compensate? I would not be overly thrilled with that ign timing, but also not horrid.
Stock turbo would overboost more and cause throttle closure, 2 PSI is pretty normal for an N55 on tip-in. I'm also at 5-6K feet of elevation, so the taper isn't alarming by any means. WGDC has plenty of room, I just don't think this OTS map is programmed to follow the boost target perfectly at anything but sea level and I will need a custom tune down the line.
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      05-16-2019, 10:26 AM   #25
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Quote:
Originally Posted by harkes View Post
Logs to share?
Mostly logging on Map 3 to get the meth dialed in, but I did one 3rd/4th gear pull last night on Map 0 for reference...
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      05-16-2019, 09:02 PM   #26
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Quote:
Originally Posted by StuyMac View Post
Quote:
Originally Posted by harkes View Post
Logs to share?
Mostly logging on Map 3 to get the meth dialed in, but I did one 3rd/4th gear pull last night on Map 0 for reference...
Dude... Read the post title. We don't want to discuss JB4 here.

Edit: I would be very interested in seeing a log logged with MHD/BM3 in Map0 though. The resolution with JB4 is just too bad.
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Last edited by harkes; 05-16-2019 at 10:27 PM..
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      05-17-2019, 02:50 AM   #27
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Quote:
Originally Posted by harkes View Post
Dude... Read the post title. We don't want to discuss JB4 here.

Edit: I would be very interested in seeing a log logged with MHD/BM3 in Map0 though. The resolution with JB4 is just too bad.
JB4 is stacked for use with Map 3. That log may be JB4, but it is in Map 0 with no meth, so the JB4 is only monitoring my Custom flash with no JB4 intervention. The log may be taken from JB4, but its is only logging my custom tune - thought that was what you were after, logs from a custom tune / flash?

AFAIK the JB4 wont integate with the TTFS HPFP, hence the custom tune and stacking the JB4.
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      05-17-2019, 09:33 AM   #28
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Quote:
Originally Posted by StuyMac View Post
Quote:
Originally Posted by harkes View Post
Dude... Read the post title. We don't want to discuss JB4 here.

Edit: I would be very interested in seeing a log logged with MHD/BM3 in Map0 though. The resolution with JB4 is just too bad.
JB4 is stacked for use with Map 3. That log may be JB4, but it is in Map 0 with no meth, so the JB4 is only monitoring my Custom flash with no JB4 intervention. The log may be taken from JB4, but its is only logging my custom tune - thought that was what you were after, logs from a custom tune / flash?

AFAIK the JB4 wont integate with the TTFS HPFP, hence the custom tune and stacking the JB4.
Yes correct but the resolution on JB4 is appalling. Can you do a log file with BM3/MHD instead? This is possible with JB4 in map0. Who has made the custom tune?
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      05-17-2019, 09:51 AM   #29
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Quote:
Originally Posted by harkes View Post
Yes correct but the resolution on JB4 is appalling. Can you do a log file with BM3/MHD instead? This is possible with JB4 in map0. Who has made the custom tune?
I dont use BM3 or MHD, and only just fitted the JB4 for methanol control. I do have the full .csv, but cannot post that here. Calibration was done by a company in the UK.
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