I'd say it was never a PD with those forks. The bodywork on those bikes gets messed about with but people seldom mess with the coating on the forks. Now stop fretting and make it your own
If that was in the UK I'd say the price was just right but now you own it it's a keeper so has no value.
Pump your Vin in Here to find the year http://realoem.com/bmw/select.do