JB4 keeps resetting to map 4

Socket · 05-13-2015, 07:06 AM

For some reason since I've had the DPs installed the JB4 keeps resetting from map 2 to map 4. I think it's a safety feature but what might be causing it?

_ink · 05-13-2015, 07:07 AM

lel

again

these posts

Socket · 05-13-2015, 07:15 AM

Fossy a I sat up all night thinking up these Qs for you Inky lol

fo55il · 05-13-2015, 07:20 AM

Quote:

Originally Posted by Socket

For some reason since I've had the DPs installed the JB4 keeps resetting from map 2 to map 4. I think it's a safety feature but what might be causing it?

dummaaaaaaa did u log?

Scotty89 · 05-13-2015, 07:23 AM

What log?

fo55il · 05-13-2015, 07:25 AM

Quote:

Originally Posted by Scotty89

What log?

data log

Scotty89 · 05-13-2015, 07:33 AM

Quote:

Originally Posted by fo55il

data log

U wot?

fo55il · 05-13-2015, 07:38 AM

Quote:

Originally Posted by Scotty89

U wot?

All the time

paaaaa paaaa PAAPAPAPAAAAAAAAA

wot

Scotty89 · 05-13-2015, 07:48 AM

Quote:

Originally Posted by fo55il

All the time

paaaaa paaaa PAAPAPAPAAAAAAAAA

wot

dat sound socket makes

Scotty89 · 05-13-2015, 07:54 AM

Checked the JB4 FAQ, this what goes down

Quote:

Originally Posted by Terry@BMS

My SES light flashed and the JB4 switched to map 4 / low boost. What do I do now?

The JB4 has several active safety systems that will trigger SES light flashes.

The first is the over-boost limit. If boost exceeds the value you've set it means you go too fast and JB4 must slow you down. Common causes for this are kicking too much ass, not giving your opponent a fair chance or just being socket. Stop going so fast mang.

Socket · 05-13-2015, 07:59 AM

Lol

fo55il · 05-13-2015, 08:02 AM

i lold scotty

but got this also from the same thread

My SES light flashed and the JB4 switched to map 4 / low boost. What do I do now?

The JB4 has several active safety systems that will trigger SES light flashes.

The first is the over-boost safety. If boost exceeds the value you've set under user adjustment the SES light will flash once and the JB4 will switch itself to map 4 until you restart the car. The default setting is 18psi. Common causes for this are setting the value too low for the map/intended usage, improperly configured or defective wastegates, or JB4 setting problems.

The second is the run-lean safety system. If your air/fuel ratio (either bank) runs leaner than 14:1 over 4500rpm for more than a second the SES light will flash twice and the JB4 will again switch itself to map 4 until you restart the car. Common causes are maxed out fuel trims (see E85 notes above) or o2 sensor faults. Note any o2 sensor fault must be corrected for the tuning to operate properly.

Another commonly triggered fault is low fuel pressure. If your high fuel pressure drops below 7 (~800psi) the JB4 will flash the SES light three times and switch to map 4 until you restart the car. Common causes are an inadequate low pressure pump, too strong of an E85 mixture for your tuning/fuel pump, or a failing high pressure pump.

Socket · 05-13-2015, 08:16 AM

Damb looks like i need to log 😕

///Mposter · 05-13-2015, 08:29 AM

Well first check the boost safety setting .
Then if you are not reaching boost target, look at fuel delivery of the HPFP and if those numbers are lower than 9 , then look t the LPFP. If the LPFP values are in the 50's or lower then your HPFP is being starved because of your LPFP.

Moving on, if your numbers are good then I would move onto the DP install and see if the O2 sensors were swapped pre cat or post cat which would cause a lean then rich of opposing banks. The lean condition would kick you out of whatever map into map 4.

Best of luck.

_ink · 05-14-2015, 02:37 AM

This thread is useless without....

Socket · 05-14-2015, 06:23 AM

Quote:

Originally Posted by _ink

This thread is useless without....

Trees?

naynay · 05-14-2015, 07:00 AM

lemonpark had the same problem.

Socket · 05-14-2015, 07:05 AM

Quote:

Originally Posted by naynay

lemonpark had the same problem.

Did he, ill check his old thread, thanks Nay

lemonpark · 05-14-2015, 07:06 AM

O2 sensor

Socket · 05-14-2015, 07:07 AM

Quote:

Originally Posted by lemonpark

O2 sensor

Bummer... what was the cost to fix mate?

lemonpark · 05-14-2015, 07:09 AM

i gotr mine from america (amazon), was like 100 aussie each for the sensors then install depends where you go

a bit of a bitch to get to the DP's to change em out

Socket · 05-14-2015, 07:13 AM

Must have got damaged while the DPs were getting installed

I better find a place to get the car logged to rule out fuel trims etc before spending $$ on O2 sensors. Thanks Lemon

05-13-2015, 07:06 AM	#1
Socket Lieutenant General 4542 Rep 11,903 Posts Drives: 335i Join Date: Nov 2014 Location: Australia iTrader: (4) Garage List 2008 BMW E92 [0.00]	JB4 keeps resetting to map 4 For some reason since I've had the DPs installed the JB4 keeps resetting from map 2 to map 4. I think it's a safety feature but what might be causing it? Last edited by Socket; 05-13-2015 at 07:14 AM..
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05-13-2015, 07:07 AM	#2
_ink Jedi samurai ninja turtle 619 Rep 3,021 Posts Drives: X3 M40i 2018 Join Date: May 2012 Location: Sydney, Australia iTrader: (0) Garage List 2018 X3 M40i [0.00]	lel again these posts
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05-13-2015, 07:15 AM	#3
Socket Lieutenant General 4542 Rep 11,903 Posts Drives: 335i Join Date: Nov 2014 Location: Australia iTrader: (4) Garage List 2008 BMW E92 [0.00]	Fossy a I sat up all night thinking up these Qs for you Inky lol
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05-13-2015, 07:23 AM	#5
Scotty89 Buy a 335 they said... It'll be fun they said... 117 Rep 995 Posts Drives: 2007 E92 335i Join Date: Jun 2014 Location: Melbourne, Australia iTrader: (0) Garage List 2007 BMW 335i [10.00]	What log?
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05-13-2015, 07:59 AM	#11
Socket Lieutenant General 4542 Rep 11,903 Posts Drives: 335i Join Date: Nov 2014 Location: Australia iTrader: (4) Garage List 2008 BMW E92 [0.00]	Lol
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05-13-2015, 08:02 AM	#12
fo55il Banned 53 Rep 912 Posts Drives: 335i Join Date: Jun 2013 Location: Melbourne Australia iTrader: (0)	i lold scotty but got this also from the same thread My SES light flashed and the JB4 switched to map 4 / low boost. What do I do now? The JB4 has several active safety systems that will trigger SES light flashes. The first is the over-boost safety. If boost exceeds the value you've set under user adjustment the SES light will flash once and the JB4 will switch itself to map 4 until you restart the car. The default setting is 18psi. Common causes for this are setting the value too low for the map/intended usage, improperly configured or defective wastegates, or JB4 setting problems. The second is the run-lean safety system. If your air/fuel ratio (either bank) runs leaner than 14:1 over 4500rpm for more than a second the SES light will flash twice and the JB4 will again switch itself to map 4 until you restart the car. Common causes are maxed out fuel trims (see E85 notes above) or o2 sensor faults. Note any o2 sensor fault must be corrected for the tuning to operate properly. Another commonly triggered fault is low fuel pressure. If your high fuel pressure drops below 7 (~800psi) the JB4 will flash the SES light three times and switch to map 4 until you restart the car. Common causes are an inadequate low pressure pump, too strong of an E85 mixture for your tuning/fuel pump, or a failing high pressure pump.
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05-13-2015, 08:16 AM	#13
Socket Lieutenant General 4542 Rep 11,903 Posts Drives: 335i Join Date: Nov 2014 Location: Australia iTrader: (4) Garage List 2008 BMW E92 [0.00]	Damb looks like i need to log 😕
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05-13-2015, 08:29 AM	#14
///Mposter Macgyver 208 Rep 942 Posts Drives: 2007 e92 335i Join Date: Jun 2011 Location: Greensboring iTrader: (0)	Well first check the boost safety setting . Then if you are not reaching boost target, look at fuel delivery of the HPFP and if those numbers are lower than 9 , then look t the LPFP. If the LPFP values are in the 50's or lower then your HPFP is being starved because of your LPFP. Moving on, if your numbers are good then I would move onto the DP install and see if the O2 sensors were swapped pre cat or post cat which would cause a lean then rich of opposing banks. The lean condition would kick you out of whatever map into map 4. Best of luck. Attached Images __________________ GTX3076R , ADV, JB4, FMIC, BOV, 17"APEX, 255/40/17 SQ, 6-SPD Manual
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05-14-2015, 02:37 AM	#15
_ink Jedi samurai ninja turtle 619 Rep 3,021 Posts Drives: X3 M40i 2018 Join Date: May 2012 Location: Sydney, Australia iTrader: (0) Garage List 2018 X3 M40i [0.00]	This thread is useless without.... Attached Images
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05-14-2015, 07:00 AM	#17
naynay Banned 178 Rep 1,426 Posts Drives: 2006 E92 335i FBO Join Date: May 2013 Location: Melbourne Australia iTrader: (0)	lemonpark had the same problem.
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05-14-2015, 07:06 AM	#19
lemonpark Captain 58 Rep 610 Posts Drives: '08 335i E92 Join Date: May 2014 Location: Melbourne iTrader: (0)	O2 sensor __________________ JB4 G5 ISO \| BMS Backend Flash \| Alpina B3 TCU Flash \| AR Design Catless DP \| BMS DCI \| ER CP \| Turbosmart Race Port BOV \| Muffler Delete \| H&R Sport Springs \| BMS Cowl \| BMW Performance Alcantara Wheel \| M3 DCT Paddles \| Muse Concept and Design Interior \| 19" GTC-CX \| M3 Lip Spoiler \| Zieg CF Rear Diffuser \| Flow Designs Front Lip \| Black Grill \| RGB LED Angel Eyes \| 8000K HID \|
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05-14-2015, 07:09 AM	#21
lemonpark Captain 58 Rep 610 Posts Drives: '08 335i E92 Join Date: May 2014 Location: Melbourne iTrader: (0)	i gotr mine from america (amazon), was like 100 aussie each for the sensors then install depends where you go a bit of a bitch to get to the DP's to change em out __________________ JB4 G5 ISO \| BMS Backend Flash \| Alpina B3 TCU Flash \| AR Design Catless DP \| BMS DCI \| ER CP \| Turbosmart Race Port BOV \| Muffler Delete \| H&R Sport Springs \| BMS Cowl \| BMW Performance Alcantara Wheel \| M3 DCT Paddles \| Muse Concept and Design Interior \| 19" GTC-CX \| M3 Lip Spoiler \| Zieg CF Rear Diffuser \| Flow Designs Front Lip \| Black Grill \| RGB LED Angel Eyes \| 8000K HID \|
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05-14-2015, 07:13 AM	#22
Socket Lieutenant General 4542 Rep 11,903 Posts Drives: 335i Join Date: Nov 2014 Location: Australia iTrader: (4) Garage List 2008 BMW E92 [0.00]	Must have got damaged while the DPs were getting installed I better find a place to get the car logged to rule out fuel trims etc before spending $$ on O2 sensors. Thanks Lemon
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