Originally Posted by BMW7_CEO
I did everything I switch it around and I tried it on my brothers 528i and it didn't work on his car either but when I tired it on my dads Chevy truck it turned on and the other day I tired it aqain on my dads truck and one side turned on and re other was out and they turned and didn't turn back now at all
See if you can get the ballasts exchanged. and try it again on the Chevy truck just to make sure they work before trying it again on the 7. I would think you need capacitors something like these...
'07 Audi A8 (w/ 20,000 miles)
'03 745Li (sold)
'03 Acura TL-S
'02 Infiniti QX4 (sold & new owner totaled it 4 hours later)