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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E46 (1999 - 2006)

E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #26  
Old 01-13-2013, 03:17 PM
grrltraveler grrltraveler is offline
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Location: Temecula, CA
 
Join Date: Dec 2012
Posts: 14
Mein Auto: 2003 330i
Update,

So as we await delivery of new intake boots today hubbie took out the icv and cleaned it up and reinstalled it. He also started to clean the TB but when I press the throttle down from inside the TB plate doesn't open. When I turn the key to the second position(dashboard lights) the throttle plate opens about 1/4 inch but no more, even when I press on the throttle. He had read that as this is a drive by wire (2003 330i) he shouldnt push on the plate with his finger in order to open it. When it opened that tiny bit he sprayed TB cleaner in there. Should that plate open to the horizontal position when throttle is pressed inside the car or is this correct?

We swapped out the throttle pedal for the new one thinking maybe that was it but it made no difference We're thinking the a new TB is in our future.
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  #27  
Old 12-27-2013, 08:59 PM
bestinhouse bestinhouse is offline
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Location: Los Angeles
 
Join Date: Jan 2007
Posts: 4
Mein Auto: BMW 325 ci convertible
Yeah... AND??? AND????

Well, the video shows EXACTLY what my car's symptoms - but is does the SAME "revving" behavior as shown in the video... my car runs fine for two blocks then "revs" and goes into limp home mode...

and the answer is...

NO ANSWER! Gosh I wish people would come back with their solutions and share...

*sigh* So I guess I'll just piss away money trying all sorts of different things...

One difference I had was that my codes are:
P0174
P0171
P1603 Control Module Self Test - Torque Monitoring

Any suggestions?

I replaced the MAF and the fuel filter/ regulator.

Maybe first

1. Vacuum issues: inspect hoses, Valve cover gasket etc.;
2. DISA check (repair and/or re-seal)
3. Inspect pedal sensor and
4. throttle body and replace the CCV and all hoses.
5. cry into my beer..

Last edited by bestinhouse; 02-17-2014 at 06:57 PM.
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  #28  
Old 02-17-2014, 06:59 PM
bestinhouse bestinhouse is offline
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Location: Los Angeles
 
Join Date: Jan 2007
Posts: 4
Mein Auto: BMW 325 ci convertible
I disconnected the MAF plug and the car runs pretty damn well. No more surging. Which tells us what? That there is some intake leak and once I find it, I can plug back in the MAF? I am going to replace the CCV and four hoses, and I'll let you know.
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