E46Fanatics - View Single Post - E46 COOLING SYSTEM GUIDE - overheating/coolant/etc
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Old 11-28-2012, 07:52 PM   #693
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Join Date: Sep 2011
Location: New York
Posts: 9,475
My Ride: '04 330Ci
Very important to bleed the coolant at the bleeder screw.
Takes all air out of the system which can greatly reduce the efficiency of the cooling system, and cause other problems. Potentially damage parts.

Yes you can bleed your system at any time. Bleed a couple/few times until you get no more bubbles.
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