jumped the gun and got these, but didn't need for my project. for fitment purposes only and in excellent condition: subs, rings, and original boxes. $125 local; shipping can be determined if necessary.
willing to accept trades: non-M z4 stuff[skid plates, or alum dash kit] and can add cash if upside down.
the short:
8 ohm, 150 watt
http://mobile.jlaudio.com/products_s...p?series_id=29
also found the OEM front plate mount never installed...perfect condition. just went with a RHO plate mount instead.
51117158838 $25 + shipping.
OEM antenna in case anyone needs one.
65206902689 $15 shipped.