During install, are you guys with factory subs having to remove them?

On the other side, the CD changer seems to be in the way too. My hands are too big to get this install figured out. Is there a specific wrench style that works best?

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2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD---
1993 318i - Brilliantrot / Tan - bone stock daily driver