Thread: AC DIY in 540i?
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Old 05-14-2009, 10:48 AM   #3
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Join Date: Apr 2009
Location: Toronto
Posts: 213
Fill it myself and diagnose it myself.

I am kind of a little chicken hearing horror stories about AC refrigerant but it may be just urban legends.

BTW... I found a fitting under the engine cover. IS that the one I fill?
And should the auxillary fan be turning when I switch the ac on?


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