It is a PITA. There is a DIY here some where. The oil separator is on the back side of the passenger side of the engine. The best part is you can remove part of the firewall to get better access (it shows how in the DIY). The hoses that run to it are on top of the engine and easily accessable after removin the engine cover.

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2007 Suzuki Vinson 500 4X4
2007 Toro 6.5hp
2006 BMW X5 4.4 ltr (his)
2001 BMW X5 4.4 ltr (hers)
1994 Honda XR650L
1984 Honda XR80

"Beer is proof that God loves us and wants us to be happy."
Benjamin Franklin