Why not leave your factory wires alone? Pulling new speaker wire into my E91 F doors was a lot easier than, say, an Acura TSX.
Musicar Certified audio upgrades
OE-Look Enclosures for F30/F32/F22/etc
Add-A-Sub and Full-Bass Packages
Full Cabin 3W and 4W Upgrades
F10 Enclosure preorder- contact us for details!