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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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  #1  
Old 03-12-2017, 07:05 PM
Aguisan Aguisan is offline
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Overheating

My 2004 325i started oscillating a couple of days ago. I just replaced the power steering reservoir and hoses I don't know if that's related to it. I noticed the engine coolant was really low so I decided to replace it and flush the system I drained the old coolant and got about 1 gallon and I was about to pour distilled water but because the car is oscillating the car took less than a gallon of water (I'm assuming the water is not getting to the pump) and the car started to overheated. What's the problem?. Will replace the adjuster unit in the intake manifold fix the problem?
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  #2  
Old 03-13-2017, 12:14 AM
classy_jayy classy_jayy is offline
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It could also be the radiator cap or water pump. When my 323ci overheated i just had to change the hoses and flush it


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  #3  
Old 03-13-2017, 05:35 AM
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hornhospital hornhospital is offline
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Welcome to Bimmerfest!

I moved your question to the E46 forum (3 Series, 1999-2006) where you should get some help.

What do you mean by oscillating?
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Old 03-13-2017, 06:27 AM
lincolnshibuya lincolnshibuya is offline
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did you do the bleeding process when you are refilling it?



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  #5  
Old 03-13-2017, 10:48 AM
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Sounds like you introduced air into the system....read up on the proper bleeding procedure, and do that.
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Old 03-13-2017, 11:11 PM
joson5 joson5 is offline
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Lincolnshibuya is correct, purge the air out. Heater on, bleeder plug.


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Old 03-14-2017, 12:49 PM
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When bleeding, it doesn`t hurt to raise the front end up a few inches....
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Old 03-14-2017, 08:41 PM
Aguisan Aguisan is offline
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Quote:
Originally Posted by hornhospital View Post
Welcome to Bimmerfest!

I moved your question to the E46 forum (3 Series, 1999-2006) where you should get some help.

What do you mean by oscillating?
RPM does not start at 0, starts and stays at 1. I do not have to pedal the gas.
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Old 03-14-2017, 08:44 PM
Aguisan Aguisan is offline
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Quote:
Originally Posted by joson5 View Post
Lincolnshibuya is correct, purge the air out. Heater on, bleeder plug.


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Do you mean put the heat all the way up while putting the water down the reservoir? What if the engine overheats again? Car was oscillating before I decided to change the engine coolant.

Last edited by Aguisan; 03-14-2017 at 08:46 PM.
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Old 03-14-2017, 09:52 PM
chocopotamus chocopotamus is online now
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Quote:
Originally Posted by Aguisan View Post
Do you mean put the heat all the way up while putting the water down the reservoir? What if the engine overheats again? Car was oscillating before I decided to change the engine coolant.
Hello, to properly fill the coolant system you initially do not start the car.
Check this link out, it can be found in our wiki,
http://www.bmw330ci.net/maintenance/coolant.php

This may take twenty to thirty minutes of patience while the air escapes.
Also, here is a great video covering the same subject.


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Old 03-15-2017, 02:01 PM
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Quote:
Originally Posted by Aguisan View Post
Do you mean put the heat all the way up while putting the water down the reservoir? What if the engine overheats again? Car was oscillating before I decided to change the engine coolant.
You might want to clarify this a bit....your use of the term is as clear as mud....

Definition of oscillate
oscillated; oscillating
intransitive verb
1
a :* to swing backward and forward like a pendulum The fan was oscillating.
b :* to move or travel back and forth between two points
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