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      02-12-2013, 07:45 PM   #95
mlifxs
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Drives: Jet Black 2007 328i Saloon
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Quote:
Originally Posted by e9012345 View Post
Why do you have to redo a coolant job to do this? I talked to my mechanic and he didn't seem to know that you had to mess around with the coolant at all?
You don't need to "redo" a coolant job. It helps minimize mess if you you drain some of your coolant, not all of it ( I drained 2 quarts ). If you don't, you will likely spill coolant as you loosen the housing. Per several of the posts on this DIY, people spilled a decent amount of coolant when they didn't drain any.

Again, all I did was drain two quarts from the radiator drain plug into a clean bottle. Only required loosening the plug. Once the new gasket is on the housing and tightened back up, you just open the coolant bleeder screw, pour the drained coolant back into the reservoir (reusing what you drained), tighten the bleeder screw, and do the venting process. EASY.
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