I need to know the low port for the AC in my BMW 318ti. on 1995 BMW 318ti

Many forums are saying that its the one next to the battery and firewall and not the one behind the headlight... but, the one behind the headlight is the larger in diameter one and that is supposed to be the Low side. help please....

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1 answer
ITS NORMALLY THE SMALL ONE OF THE TWO.AT THIMES THEY ARE HARD TO FIND BUT KEEP LOOKING ITS THERE