1,6,7,8 - Series and Mini CooperGeneral Chat related to models that do not fit into particular categories above. Please try to put your discussion in more appropriate sections. This section does cover the 1 Series, MINI Cooper and 8-Series vehicles: BMW 830i, BMW 840Ci, BMW 850i, BMW 850Ci, BMW 850CSi, M8, Alpina B12, BMW CS Concept and others.
If your subs aren't working they could be blown which i think usually don't happen to often unless you are a constant thumper 24/7, 7 days/wk, 365 yr. LoL. But i ran into that same problem on my 04' 745LI and i thought the subs were out because i couldn't get any base @ all and the sterio systems sounding terrible, crackling, popping noise, etc. I took it to shop and come to find out the amplifier was shot. I figured hell, if the sub is blown, i'm just gonna throw a aftermarket woofer in the trunk for base, hell with replacing a factory sub for that price tag. But also, if you have a blown speaker on the door etc., it will throw your whole sound system off completely.. Seems err thing is on one main circuit, one speaker blows, err thing sound f'ed up. But if you have no base, u may wanna check the amplifier......Good luck homie....
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