E90Post
 


 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Serious IAT ISSUE



Reply
 
Thread Tools Search this Thread
      03-21-2020, 02:38 PM   #1
ludoN54
Private
20
Rep
96
Posts

Drives: bmw 335i E93
Join Date: Jan 2020
Location: caribbean

iTrader: (0)

Serious IAT ISSUE

Hi,

experiencing IAT issue
it seems that it goes way too high( 212f)
got 2F0C Code, which is related to IAT sensor, tried to clean, and change it, but still same issue.

mods : BMS DCI, MMP downpipe, custom tune

i live in the caribbean so ambient is often high ( 86 and more)

you will find here some logs =>https://datazap.me/u/ludovic-poviac/...og=0&data=3-21

can someone help with this ?
Appreciate 0
      03-21-2020, 02:58 PM   #2
BM3Rrrr
Davy Jones, Giant Squid
BM3Rrrr's Avatar
No_Country
272
Rep
913
Posts

Drives: a Pirate Ship
Join Date: Jun 2015
Location: The Isle of Tortuga

iTrader: (0)

Try getting an aftermarket FMIC?
__________________
2010 e90 335i LCI - xHP - Mishimoto - BMS - CPe - Turbosmart - MHD - Eibach - Koni - VMR - LUX
Appreciate 0
      03-21-2020, 03:12 PM   #3
ludoN54
Private
20
Rep
96
Posts

Drives: bmw 335i E93
Join Date: Jan 2020
Location: caribbean

iTrader: (0)

Quote:
Originally Posted by BM3Rrrr View Post
Try getting an aftermarket FMIC?
I agree, but I would l'aile to first deal with this issue, as it doesn't sound normal to have IAT so high
And if you look at the log,on one of them it goes straight from 60 Celsius to nearly 100... which doesn't sound good at all
Appreciate 0
      03-21-2020, 03:43 PM   #4
ludoN54
Private
20
Rep
96
Posts

Drives: bmw 335i E93
Join Date: Jan 2020
Location: caribbean

iTrader: (0)

Quote:
Originally Posted by BM3Rrrr View Post
Try getting an aftermarket FMIC?
i have friend with exact same setup and he is at 162f while i'm at 212
Appreciate 0
      03-21-2020, 03:44 PM   #5
ludoN54
Private
20
Rep
96
Posts

Drives: bmw 335i E93
Join Date: Jan 2020
Location: caribbean

iTrader: (0)

https://datazap.me/u/ludovic-poviac/...og=1&data=3-21
Appreciate 0
      03-21-2020, 03:46 PM   #6
type-dRew
Major
type-dRew's Avatar
642
Rep
1,245
Posts

Drives: 2009 335i xDrive
Join Date: Feb 2019
Location: Newport MI

iTrader: (0)

Sounds like you need a new tmap sensor
__________________
2009 335i xDrive AT / 177k+ miles
PSP 750ic / Fuel-It! Stage 1 / BMS CP / Sutphin Tuning / RFP E50
11.61 @ 117.5
New setup; Covid 19Ts on RFP 93 + ARM inlets, dp, VTT cp and PSP outlets
Appreciate 0
      03-21-2020, 03:52 PM   #7
ludoN54
Private
20
Rep
96
Posts

Drives: bmw 335i E93
Join Date: Jan 2020
Location: caribbean

iTrader: (0)

Quote:
Originally Posted by type-dRew View Post
Sounds like you need a new tmap sensor
It's already new...
Appreciate 0
      03-21-2020, 03:53 PM   #8
type-dRew
Major
type-dRew's Avatar
642
Rep
1,245
Posts

Drives: 2009 335i xDrive
Join Date: Feb 2019
Location: Newport MI

iTrader: (0)

Quote:
Originally Posted by ludoN54 View Post
Quote:
Originally Posted by type-dRew View Post
Sounds like you need a new tmap sensor
It's already new...
Bad wiring or connector then
__________________
2009 335i xDrive AT / 177k+ miles
PSP 750ic / Fuel-It! Stage 1 / BMS CP / Sutphin Tuning / RFP E50
11.61 @ 117.5
New setup; Covid 19Ts on RFP 93 + ARM inlets, dp, VTT cp and PSP outlets
Appreciate 0
      03-21-2020, 03:59 PM   #9
ludoN54
Private
20
Rep
96
Posts

Drives: bmw 335i E93
Join Date: Jan 2020
Location: caribbean

iTrader: (0)

ok i will check the wiring then

BTW i already have a 7.5 stepped FMIC that i didn't install yet because of this issue
Appreciate 0
      03-21-2020, 04:59 PM   #10
ludoN54
Private
20
Rep
96
Posts

Drives: bmw 335i E93
Join Date: Jan 2020
Location: caribbean

iTrader: (0)

looks very weird
Attached Images
    
Appreciate 1
      03-21-2020, 06:21 PM   #11
mweisdorfer
Major General
mweisdorfer's Avatar
United_States
1934
Rep
6,965
Posts

Drives: 2007 Black/Black 335i e90
Join Date: Apr 2011
Location: Holly, MI

iTrader: (0)

Garage List
2007 BMW E90 335i  [0.00]
2008 bmw x5  [0.00]
I'd install the new FMIC and then evaluate

The DCI's aren't doing you any favors.
Appreciate 0
      03-21-2020, 09:41 PM   #12
Bimmer_Engineer
Lieutenant Colonel
Bimmer_Engineer's Avatar
1049
Rep
1,667
Posts

Drives: 2007 335i
Join Date: May 2018
Location: Louisiana

iTrader: (0)

Garage List
Quote:
Originally Posted by ludoN54 View Post
looks very weird
It’s strange that there’s a huge drop in the middle of the pull...it looks like a short. But it also looks like you need to install the IC...

Last edited by Bimmer_Engineer; 03-21-2020 at 10:39 PM..
Appreciate 0
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 09:27 AM.




e90post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST