Vaccum line issue

maverick328

Active member
Hello fanatics

I was under the bonnet yesterday of my E46 330i and noticed a loose vacuum line next to the intake boot. Can someone please tell me where it should plug in? Ive been getting a rough idle on cold start as well but the idle smooths out after about 30 secs or so. Is this loose vacuum line related to the rough idle?
img_20180327_062303_7247787769.jpg
 
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