BMW Front 100
Front Speaker System for BMW 5
(BMW-F41 + BMW-FTW1)
BMW-F41: The BMW-F41 uses the ESB CS-M41 4"/10 cm component mid-woofer, with special adaptor to fit the BMW 5 Series original woofer housing in the front seats.
BMW-FTW1: The BMW-FTW1 uses the ESB CS-T21 1"/2.5 cm component tweeter, with special adaptor to fit the BMW 5 Series original tweeter housing in the front seats.
BMW-FTW1-C1: ESB BMW-FTW1 dedicated crossover.