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Default Help trims maxed out, afr lean jb4 safety (map4 safe) - 04-17-2017, 05:55 PM

Good evening. Sorry for repost but for unknown reasons my previous one was deleted. As stated jb4 +bef for 1 week ago when i go wot gives me map4 safety with "afr lean" code and trims are maxing out. Been using this bef long ago with no problems until now. Codes registered are the 2c7c. Ideas? Logs attached. One of them its at idle. Rpm changes out of nowhere as afr's
Attached Files
File Type: csv 2017-04-15 05_10_15.csv (42.9 KB, 141 views)
File Type: csv 2017-04-15 05_00_31.csv (9.8 KB, 125 views)
File Type: csv 2017-04-15 04_52_54.csv (13.8 KB, 117 views)
File Type: csv 2017-04-15 04_57_12.csv (11.6 KB, 97 views)
File Type: csv 2017-04-15 04_49_40.csv (11.6 KB, 127 views)
File Type: csv 2017-04-15 04_47_11.csv (15.4 KB, 126 views)


E92 335i coupe 10/2006 @ BMS DCI ; JB4 G5 ISO ; AR Design 3" DPs ; APEX EC7 18" wheels ; BMS OCC ; BEF ; MMP inlets & outlets ; RB PCV valve ; Vibrant ressonators
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Default 04-17-2017, 07:29 PM

Try resetting adaptations & relogging


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Default 04-17-2017, 10:34 PM

Thanks for reply Dave. Shall i use JB4 to reset adaptations or MHD?


E92 335i coupe 10/2006 @ BMS DCI ; JB4 G5 ISO ; AR Design 3" DPs ; APEX EC7 18" wheels ; BMS OCC ; BEF ; MMP inlets & outlets ; RB PCV valve ; Vibrant ressonators

Last edited by Eristoff; 04-18-2017 at 07:23 AM..
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Default 04-18-2017, 08:06 PM

Jb4


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Default 04-18-2017, 08:17 PM

Will do, thanks. Just curiosity, is there a difference between both adaptations reset methods? Mhd has other adaptation resets too


E92 335i coupe 10/2006 @ BMS DCI ; JB4 G5 ISO ; AR Design 3" DPs ; APEX EC7 18" wheels ; BMS OCC ; BEF ; MMP inlets & outlets ; RB PCV valve ; Vibrant ressonators
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Default 04-18-2017, 08:50 PM

Quote:
Originally Posted by Eristoff
Will do, thanks. Just curiosity, is there a difference between both adaptations reset methods? Mhd has other adaptation resets too
Tbh, I don't beleive so.

I'd really only reset adaptations on a "need" basis.

Hopefully this helps you a bit


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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 04-20-2017, 06:12 AM

Done it and remains the same :/ and also" 2c7c lambda probe behind catalytic converter 2, signal" was stored in dme. Could all of these be caused by o2 sensors?
Logs attached
Attached Files
File Type: csv 2017-04-20 03_06_04.csv (13.0 KB, 88 views)
File Type: csv 2017-04-20 03_48_24.csv (11.4 KB, 96 views)
File Type: csv 2017-04-20 03_51_49.csv (9.6 KB, 91 views)


E92 335i coupe 10/2006 @ BMS DCI ; JB4 G5 ISO ; AR Design 3" DPs ; APEX EC7 18" wheels ; BMS OCC ; BEF ; MMP inlets & outlets ; RB PCV valve ; Vibrant ressonators
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Default 04-20-2017, 08:56 PM

Trims are maxing out on both banks so it's not bank related but is more global. Sometimes the JB4 reset isn't effective or as effective. Try resetting them with MHD or INPA. Beyond that, I'd verify and re-seat the connections in the DME box. If that doesn't resolve it, I'd reload the flash or try a different flash. Beyond that, you're looking for a hardware issue but this doesn't seem like an O2 sensor issue. What is 2c7c? It appears to be something global so maybe a TMAP or ???



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Default 04-20-2017, 09:00 PM

Thanks for reply Steve. Done the reset with MHD. It happens again. Can try a Tmap change. Should I change the Map sensor too?


E92 335i coupe 10/2006 @ BMS DCI ; JB4 G5 ISO ; AR Design 3" DPs ; APEX EC7 18" wheels ; BMS OCC ; BEF ; MMP inlets & outlets ; RB PCV valve ; Vibrant ressonators
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Default 04-20-2017, 09:56 PM

It appears to be something global, so that is what I'd focus on.



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