Hey zazoo!

Not sure if you have the N62 or the M62 V8 engine in your 2004?
I know my 4.8 has the N62 and it doesn't have an oil separator like the M62 does. It has breather valves (i forget the actual name) on top each valve cover that does the job.

The M62, I believe has the separator at the back of the engine, firewall side and is a PITA to get to. I could be wrong....

Good Luck!

__________________
"I can’t understand it. I can’t even understand the people who can understand it"

Queen Juliana (1909-2004), of the Netherlands

"If you choose not to decide, you still have made a choice!"


2004 X5 4.8is Imola Red-228K ZF-GA6HP26Z-Sold
2006 X3 3.0i Mystic Blue-175K, ///M pkg 6-Spd Manual- Trading in 6/10/17 for a Mini too!
2003 Silver X5 3.0- sold
2000 VW Beetle 1.8 turbo-165K- Totaled 9/11/16