hello
I have in my home 5 "new" Bosch ignition coils for my m3 which I buy from partsrunner.de.
But, two of them have corroded boot and two have signs that is from locking nut.
See pictures. What to do? How I can know if this is good or bad, used or not used? I already send email to seller but i am from croatia and this is really pita!!!
