E46Fanatics - View Single Post - [Cooling System Upgrade] 1-BAR Radiator Cap
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Old 01-18-2013, 03:21 PM   #182
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Join Date: Feb 2008
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Originally Posted by E46Mango View Post
Good info. I'd say keeping the cap stock for environmental purposes is reason alone enough to justify it.
I disagree. The likelihood of it venting anything when everything works properly is minimal. So if something isn't working properly, I would rather protect the engine and ET than a tree.
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