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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Wed, Feb-16-2011, 03:13:49 PM   #21
Bill33
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Default Re: The cooling system thread - overhaul DIY

Awesome pictures, writeup and insights into DIY technique.
I just did this last weekend and wouldn't add a thing to your excellent documentary.
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Old Wed, Feb-16-2011, 04:32:14 PM   #22
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Default Re: The cooling system thread - overhaul DIY

I'll go ahead and say that this is undoubtedly one of the best DIY write ups on the forum.


awesome job. I know where I'll be looking when the time comes for me to overhaul my system.

+ 1 to this becoming a sticky.
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Old Wed, Feb-16-2011, 04:42:03 PM   #23
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Default Re: The cooling system thread - overhaul DIY

Agreed...sticky.

An extremely good DIY...thanks a lot.
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Old Wed, Feb-16-2011, 07:21:31 PM   #24
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Default Re: The cooling system thread - overhaul DIY

Great post...thanks for this
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Old Wed, Feb-16-2011, 07:23:38 PM   #25
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Default Re: The cooling system thread - overhaul DIY

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Originally Posted by Bill33 View Post
Awesome pictures, writeup and insights into DIY technique.
I just did this last weekend and wouldn't add a thing to your excellent documentary.
Glad to hear I didn't miss anything.

I would add though that you don't really have to remove your MAF, you could always just unplug it and leave it in the intake while it's rotated out of the way. I cleaned mine before re-installing it, so I did remove it, but it's certainly not required.
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Old Wed, Feb-16-2011, 07:49:30 PM   #26
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Default Re: The cooling system thread - overhaul DIY

great work. I need to get to this in 4k miles. Just been lazy and dont want to spend $500 on a water pump.
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Old Wed, Feb-16-2011, 08:52:50 PM   #27
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Default Re: The cooling system thread - overhaul DIY

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great work. I need to get to this in 4k miles. Just been lazy and dont want to spend $500 on a water pump.
I hear ya. I always end up thinking of maintenance in terms of how much track time it costs me.

Cooling system = almost two full weekend
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Old Wed, Feb-16-2011, 09:52:05 PM   #28
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Default Re: The cooling system thread - overhaul DIY

Quote:
Originally Posted by BlazenXLT View Post
Glad to hear I didn't miss anything.

I would add though that you don't really have to remove your MAF, you could always just unplug it and leave it in the intake while it's rotated out of the way. I cleaned mine before re-installing it, so I did remove it, but it's certainly not required.
Great guide, I still haven't changed out my water pump, I'll make sure to use this when I decide to do it.

I have one thing to add though, I think it can help avoid a lot of the mess with draining fluid.

If you have a fluid extractor, you can first remove the bleed screw and empty out the fluid from the elbow and expansion tank, then take the top plastic elbow off the radiator and stick the fluid extractor down the plastic part.

It goes all the way down to the bottom and gets pretty much everything.

I did this and this is all that dripped out of the car after the radiator was completely removed:





I used to fear draining the fluid before... now... not so much.
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Old Wed, Feb-16-2011, 10:58:49 PM   #29
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Default Re: The cooling system thread - overhaul DIY

Outstanding writeup! Thanks!!
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Old Thu, Feb-17-2011, 01:23:38 AM   #30
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Default Re: The cooling system thread - overhaul DIY

Nice write up, i did mine last year and its pretty straight forward
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Discussing The cooling system thread - overhaul DIY in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)