SUBJECT: FS: BMW E90/F10/F20/F30 Hi Fi harness (not logic7) CONDITION: New PRICE: $60 SOLD SHIPPING: Included to lower 48 U.S. ADDITIONAL INFORMATION: Brand new wiring harness for BMW E90/F10/F20/F30 Hi Fi AMP. Comes with a turn-on relay. Fits 42-pin cable. 18 AWG for all signal and output...

Hi all, I thought this might be useful for someone. I measured the response of the subwoofer in an enclosure outside (backyard, no near walls etc), then measured again when the enclosure was installed in the car. No EQ or LPF/HPF were used. Dividing the two measurements should give an...

Hi, I have an F30 with base audio and I want to upgrade it. Mainly create a 4 way system with 3 way active on front stage plus a corner custom fiberglass sub box on the trunk. Since I live in Romania, I'm somehow limited to speakers selection so here it's what I can get (wish ai could get...