C4P Injector solenoid valve

[nilrem]

Hello
I've made a big booby when testing the removed gummed up No4 Injector - I applied 12V for too long and damaged the solenoid valve (Resistance now 14k ohms was 0.7ohms)

So is it feasible to replace just the solenoid - me thoughts on doing this is, I will keep the original fuel flow balance between the other 3 compatibly worn injectors (110K miles on the clock) - is it possible for me to replace the solenoid - then do a leak-off test to give me a reasonably good idea as to the fuel balance between the 4 injectors

If I do have to replace the faulty Inj with a recon/new one would I have to have the other 3 recalibrated

Finally where can I get hold of a solenoid for the Bosch 0445110-259 injector...joe