BMW X5 (->2006), Opel, Nissan... speaker adapter (165 mm). CT25BM07

BMW X5, E53 (1999-2006) speaker adapter (165 mm). 
20.432/K, ACV 271230-05, Connects2 CT25BM07

BMW X5, E53 (1999-2006) - front doors, rear doors

Nissan Primastar (2002-2005) - front doors,

Opel Astra (1996->) - front doors,
Opel Corsa B (1993-2000), Opel Corsa C (2000->) - front doors,
Opel Meriva - front doors, 
Opel Tigra (1993-2008) - front doors, 
Opel Vivaro (2001->) - front doors, 
Opel Zafira. Nissan Primastar (2002-2005) - front doors, 

Renault Trafic II (2001->) - front doors...

Panel cut out: 142 mm.
Outer diameter: 163,50 mm.
Ring height: 13 - 32,50 mm.