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      02-02-2013, 01:40 AM   #6
Private First Class
calicolorado's Avatar

Drives: E90 328i MT
Join Date: Oct 2011
Location: SoCal

iTrader: (1)

Check out this diagram on real OEM:

Part #2 in the diagram, it's called the Leak Diagnosis Pump, $112.36.

It's for a 328i (my car) because I just punched the last 7 digits of my serial #, but this applies to your car just the same, I checked.
I replaced this on my X5 back in August as I was getting the SES light that's now gone.

Good luck!
2008 328i 6-spd manual
1972 2002
2003 Audi TT Coupe 225

Last edited by calicolorado; 02-02-2013 at 01:41 AM. Reason: Corrected text