BMW underfloor subwoofer box.

Fits E90 sedan, E91 wagon, E92 coupe and E93 convertible.

This moulded fibreglass box fits underneith the floor in the storage compartment.

A fullsize 10inch subwoofer up to 160mm deep can fit. An amplifier can fit in the space beside the box. With an inch of space above the subwoofer it can pumo hard without hitting the carpet.