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Unknown Engine Pipe.???

931 views 4 replies 3 participants last post by  mikemessa 
#1 ·
Hi Guys, I am new to Bimmerfest and I have my first query. I own a E53 X5, 4.4i and I noticed the other day when I checked my oil level, that there was a pipe that is not connected to anything and have no idea what it's for. Please can you help? I have attached some pictures.

Thanks
 

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