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Old 04-22-2010, 09:57 PM   #6
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Join Date: Jan 2006
Location: San Diego, CA
Posts: 660
My Ride: 04 330iZHP, 05 325iT
Originally Posted by dosequisrex View Post
do i really need to replace the entire cooling system? and how much is that necessarily?
You don't know much about E46's, do you?

Sorry, that was a flip answer. The plastic parts of E46 cooling systems are notorious for failing between 60k-120k miles. It's best to replace the thermostat housing and end tanks after 60k as preventative maintenance. And the hoses while your there.
2004 330i ZHP ESS TS2

Last edited by lkstaack; 04-22-2010 at 10:12 PM.
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