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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 03-19-2013, 09:14 PM   #1
Mango
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Exclamation Cooling System Season: Grand reminder to all new members

In the past couple days alone, I must have seen 12 new cooling problem threads pop up from new members.

New members and seasoned veterans alike:

If your cooling system is original or you aren't sure, you absolutely need to replace the entire cooling system. Drive on blown shocks if you want, leak oil onto the driveway, have CEL codes like no tomorrow but if your cooling system fails, your day is over. You will need a new engine. It's the one thing you don't want to risk or cheap out on.

You chose the BMW badge now you must assume the responsibility that goes with it.

Expect to pay $500 if you are manual or $720 if you are automatic to replace the entire cooling system. The more you replace, the less your chances are of failure.

There is a giant army out there that will back this up, so don't worry. This information is tried, true, and tested throughout generations.

The link is in my sig or here:

http://forum.e46fanatics.com/showthread.php?t=914109

Also remember to see sig, do it all!
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Last edited by Mango; 03-19-2013 at 09:15 PM. Reason: Auto-save 1363742124
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Old 03-19-2013, 09:18 PM   #2
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My cooling system has been replaced. I have a simple problem that needed a simple answer but I will figure it out on my own rather than post a question here. Thanks.
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Old 03-19-2013, 09:25 PM   #3
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My cooling system has been replaced. I have a simple problem that needed a simple answer but I will figure it out on my own rather than post a question here. Thanks.
I've been a member since September, and I've started 12 threads, 4 of which were questions, none of those were about typical maintenance items. If you have an issue "problem", it's most likely been vetted on this forum. Search first, invest the time. These cars are 10 +/- years old. ALL of the problems have surfaced.
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I just don't know what I'd do with 560 hp that doesn't involve getting arrested.
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Old 03-19-2013, 09:27 PM   #4
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it's very simple. replace everything. $ is plenty in America
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Old 03-19-2013, 09:28 PM   #5
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What is a grand super patriot?
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Old 03-19-2013, 09:32 PM   #6
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Your thread is stickied, you link to it in your signature, and you post all the time for people to read said link in your signature. Your cooling thread also comes up as one of the first links on google, and any posts about blown expansion tanks usually will refer to it.

Do you really need another thread? ffs
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Old 03-19-2013, 09:32 PM   #7
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You mentioned in your earlier post that your expansion tank had been replaced by some previous owner but made no mention of any other components. Also, you can't be sure of the quality of this work nor the accuracy of your records. The general consensus here is if in doubt replace with Mango carrying the banner (it's his calling). I'd tend to agree given the potential for catastrophe. So... Keep your ET and replace the rest?
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Old 03-19-2013, 09:36 PM   #8
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You guys are forgetting that BMW hand picked his car as the poster child for the E46 series. Respect the Diva
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Old 03-19-2013, 10:15 PM   #9
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+1 on getting your cooling system replaced on your E46. That plastic tank can give out at any time now if it hasn't already. Happened to me a few years back and smoke poured out of the hood. Don't risk overheating and destroying your engine especially when the hot weather is right around the corner.

I would say $500 from a dealership is actually a little on the low end, wouldn't you say? Hahah. I think they wanted to charge me over $1k...of course I had the option of using a mobile mechanic here in SoCal and got it for waaaaaaaay cheaper.

Also, reading the DIY's and actually doing it yourself can save you alot of $$$!
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Old 03-19-2013, 10:22 PM   #10
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What is a grand super patriot?
http://forum.e46fanatics.com/showpos...2&postcount=10
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Quote:
Originally Posted by Mike Miller
I just don't know what I'd do with 560 hp that doesn't involve getting arrested.
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Old 03-19-2013, 10:26 PM   #11
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Old 03-19-2013, 10:32 PM   #12
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PS: I knew you'd work it in somewhere.
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“The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed.”

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Originally Posted by Mike Miller
I just don't know what I'd do with 560 hp that doesn't involve getting arrested.
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Old 03-19-2013, 10:54 PM   #13
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Thanks for the reminder. However the more sane approach is to have the car serviced and checked out for potential issues. If you like to change everything why not just buy a 2013 BMW and be done with it?
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Old 03-19-2013, 10:59 PM   #14
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Thanks for the reminder. However the more sane approach is to have the car serviced and checked out for potential issues. If you like to change everything why not just buy a 2013 BMW and be done with it?
Because new BMW is ugly. E46 for life and grand son!
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Old 03-19-2013, 11:00 PM   #15
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Thanks for the reminder. However the more sane approach is to have the car serviced and checked out for potential issues. If you like to change everything why not just buy a 2013 BMW and be done with it?
The short answer is money. How much does a 2013 cost vs. a 2003? The cooling system in the E46 tends to fail, component by component, in a six month period. The "Do It All" philosophy simply condenses the repairs into a weekend job, which is good for five or so years. It just makes sense.
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“The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed.”

Quote:
Originally Posted by Mike Miller
I just don't know what I'd do with 560 hp that doesn't involve getting arrested.
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Old 03-19-2013, 11:02 PM   #16
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Thanks for the reminder. However the more sane approach is to have the car serviced and checked out for potential issues. If you like to change everything why not just buy a 2013 BMW and be done with it?
This help is for people that own E46s. It's hard enough to get people to spend $500 on a cooling refresh. Do you really think they'll spend $50,000 on a 2013 BMW?

Taking it to "get serviced" almost exponentially multiplies the price. That and most service centers don't know half the stuff knowledgeable people do on this forum.

Sorry, no.
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Old 03-19-2013, 11:05 PM   #17
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Do you really need another thread? ffs
Ego massage. Probably doesn't get much of that away from the keyboard.
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Old 03-19-2013, 11:07 PM   #18
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Ego massage. Probably doesn't get much of that away from the keyboard.
I just got back from a 5-mile run. Get at me, bro.

Seriously stop with the jealous comments. You and Zell. This thread is to help the sudden wave of new members.

Don't like it, please kindly leave. This is not for you to complain.
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Old 03-19-2013, 11:34 PM   #19
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Old 03-19-2013, 11:51 PM   #20
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I changed my thermostat and while I did that I checked my water pump and ET. They were good. Any other areas?
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