Question about 1994 BMW 3 Series

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How to install freeze plug on 1994 bmw - 1994 BMW 3 Series

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A freeze plug is in the engine block itself; they look like small round caps pressed into the block. Get a Chilton or Haynes repair manual from a parts store.
from mbrown3039: There are only a couple of freeze plugs you can get to without removing suspension components or pulling the engine entirely (btw, any engine overhaul should include replacing the freeze plugs -- they're only a dollar or two each, so take the time to do it if the engine is already out for any reason), but the key is to make sure you get the correct size and then tap it into place using either a plug tool (the preferred method, as it will make sure you have seated the plugs evenly and to the correct depth) or by placing a socket just smaller than the plug inside the lip of the plug and using a socket extension and hammer to tap it into place. Take your time and buy a couple of extra ones in case you damage the first one when installing it -- since you'll lose most of your coolant when you remove the old plug (have a bucket handy!), you'll be without a car until you complete this repair and add more coolant. Good luck!

Posted on Oct 07, 2009

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