great review, your pictures are far superior to my own! this is definitely "the ultimate" review.
and the second, smaller unit is an error cancelling resistor. if your car won't give you errors with it unplugged, might as well take it out to reduce heat and electrical consumption
CPO Space Gray 2010 328i xDrive Sedan -|- Premium -|- Value -|- Heated Seats/ Wheel -|- PDC Fr./R -|- Xenon -|- Navigation -|- Logic7 -|- UPGRADES -|- Rear Fogs -|- HighPerformanceBulbs Ultimate LED Interior Kit [courtesy, footwell, dome, + trunk modules] -|- V-LEDS 9W Reverse Lights -|- HPB 20W Angel Eyes -|- Lots of Coding