Is there a third location for relays?

I've pulled every one from the box against the firewall under the bonnet, and the three from the trunk. even with no relays installed, I can still hear a relay clicking when I push the button. Sounds like it's coming from between the relay box and the fuse box in the glove compartment.

Again, thanks for the help.

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2002 E53 X5 4.4 - black - sports pack. "Tubby"