i have a BMW m6 and im trying to sell it but i do not know what it would be worth because i have loaded it up with....

6 jackhammer 12'' subs $399.00ea
3 jackhammer 2000w amps $899.00ea
7 14'' alpine monitors $1299.00ea
custom interior fitted at west coast customs $25.900.00
lowered $4500.00
22'' Giovanni interceptor's $8.500.00
gold pearlecent paint $17.850.00
BMW M6 $159.000.00
total spent $229.934.00