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madoyaghi madoyaghi is offline
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Car: 2007 Bmw 335i
Default new coils and plugs low boost after!! - 09-18-2018, 03:28 PM

hey all so i did a tune up for my car and there was a small water leak so we fixed the leak it was near the water pump it was a small o ring but now after everything done im only getting 5 to 6 psi the blow of valve blows out on low rpm but when i red line it its sounds like just air sucking in so loud air nose i logged it with jb4 and its only bossting up to 5.5 6 psi on map 5 the traget is 13 psi.

i check all vacum lines they all good changed them 2 month ago. turbos are new only 10k on them rebulid the wastegate there is no rattel.
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Haynpunch's Avatar
Haynpunch Haynpunch is offline
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Car: 07 E90 335i
Default 09-18-2018, 04:14 PM

update firmware
enable 6cyl timing logging
logs usually done in 3rd or 4th gear traction off, WOT 2k to redline

https://www.n54tech.com/forums/showthread.php?t=13114
time to do some trouble shooting....


07 E90 AT 335I 130k
JB4 G5 - Race BEF
DCI
VRSF CP - TS RP BOV-Orange Spring
VRSF V2 D-P's
7" FMIC
Stage 2 Bucket
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Vorsprung_CJB Vorsprung_CJB is offline
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Default 09-18-2018, 04:19 PM

Did you remove or loosen any charge piping when you replaced it? Either Outlet to Intercooler pipe or maybe front turbo inlet? Maybe vacuum line to front WG got pinched or something? There is a lot of crap in close proximity in these engine bays.
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Speed_addict Speed_addict is offline
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Default 09-24-2018, 05:43 PM

Happened to me once when u put back ur engine cover when u push it down am sure u pushed that silly hose behind the 6th coil check that hose if its disconnected u will lose the boost


Bmw 335 n54 jb4 iso5,n20 sensor,ER charge pipe,HKS bov,bms dci,down pipe,7 inch vrsf intercooler,backend flash stage 2 turbos ,bms oil catch can and aem lpfp.
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notfrosty1 notfrosty1 is offline
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Default 09-24-2018, 08:11 PM

Is your chargepipe damaged at all?
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madoyaghi madoyaghi is offline
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Default 09-26-2018, 06:21 PM

Quote:
Originally Posted by Speed_addict
Happened to me once when u put back ur engine cover when u push it down am sure u pushed that silly hose behind the 6th coil check that hose if its disconnected u will lose the boost
I have to check that could be that i never checked it and my cover goes in kinda forced so ya could be that i have to check tomorrow where that hose located exactly?
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Haynpunch Haynpunch is offline
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Car: 07 E90 335i
Default 09-26-2018, 08:54 PM

What kind of charge pipe do you have? OEM plastic?


07 E90 AT 335I 130k
JB4 G5 - Race BEF
DCI
VRSF CP - TS RP BOV-Orange Spring
VRSF V2 D-P's
7" FMIC
Stage 2 Bucket
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madoyaghi madoyaghi is offline
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Car: 2007 Bmw 335i
Default 09-26-2018, 08:56 PM

Quote:
Originally Posted by Haynpunch
What kind of charge pipe do you have? OEM plastic?
I got the hks
https://www.1addicts.com/forums/showthread.php?t=846715

i updated jb4 got 2 codes not sure if it has anything todo with my problem
2ABC
3100

Last edited by madoyaghi; 09-26-2018 at 09:11 PM..
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madoyaghi madoyaghi is offline
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Car: 2007 Bmw 335i
Default 09-27-2018, 08:09 AM

She’s throwing all kinda code today was throttle body when I removed the code car started ideling up and down then turned off so i rest the throttle body manually holding down the gas pedal for 5 seconds, then it worked but with codes again p0221...
Not sure what is wrong with this car...any ideas?
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Dave @ Fuel-it!'s Avatar
Dave @ Fuel-it! Dave @ Fuel-it! is offline
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Default 09-27-2018, 09:38 AM

Quote:
Originally Posted by madoyaghi
Sheís throwing all kinda code today was throttle body when I removed the code car started ideling up and down then turned off so i rest the throttle body manually holding down the gas pedal for 5 seconds, then it worked but with codes again p0221...
Not sure what is wrong with this car...any ideas?
Description of code plz?



http://www.fuel-it.biz/

e92 AT 335xi 2.0
Doc Race Kit 6062
Fuel-It!Platinum DIY PI Kit + Stage 2BL
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madoyaghi madoyaghi is offline
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Default 09-27-2018, 11:39 AM

Quote:
Originally Posted by Dave @ Fuel-it!
Description of code plz?
they are all throttle body related senor and the TB is new changed 2 moth ago
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Default 09-29-2018, 11:22 AM

Quote:
Originally Posted by madoyaghi
they are all throttle body related senor and the TB is new changed 2 moth ago
Are u sure you did the TB reset correctly- thereís a specific procedure



http://www.fuel-it.biz/

e92 AT 335xi 2.0
Doc Race Kit 6062
Fuel-It!Platinum DIY PI Kit + Stage 2BL
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madoyaghi madoyaghi is offline
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Default 09-29-2018, 01:22 PM

Quote:
Originally Posted by Dave @ Fuel-it!
Are u sure you did the TB reset correctly- thereís a specific procedure
my mechanic did it on his scanner
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Dave @ Fuel-it!'s Avatar
Dave @ Fuel-it! Dave @ Fuel-it! is offline
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Default 09-30-2018, 11:20 AM

Quote:
Originally Posted by madoyaghi
my mechanic did it on his scanner
You can reset TB via MHD- just follow the specific procedure outlined in the instructions. If you donít follow car will act funny / run like ass



http://www.fuel-it.biz/

e92 AT 335xi 2.0
Doc Race Kit 6062
Fuel-It!Platinum DIY PI Kit + Stage 2BL
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madoyaghi madoyaghi is offline
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Car: 2007 Bmw 335i
Default 10-01-2018, 10:15 AM

Quote:
Originally Posted by Dave @ Fuel-it!
You can reset TB via MHD- just follow the specific procedure outlined in the instructions. If you donít follow car will act funny / run like ass
W did that when we got the new TB worked perfect but this started happening after we did the water leak job and the new coils and plugs , my mechanic is saying he probably forgot to plug in something when he was putting it together but when i drive it like that and i give it gave you can hear like air getting sucksd in louddd really loud and boost doesnít go over 5.5 psi blow off valv blows off on low rpm not on high rpms . I plugged it in today and got 2 codes car is in limb mode .
Codes
Throtel valve potentiometer 1 , plausibility, air mas
Throtel valve potentiometer 2 , plausibility, air mas
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