kindly, do you know any supplier for the op3 membrane? we only need the membrane with keys.  

https://www.google.com.lb/search?q=op3+membrane&rlz=1C1VFKB_enLB665LB665&espv=2&biw=1440&bih=775&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiw4_3Z6-fLAhVJvBoKHZVaCvoQ_AUIBigB

Hello Ziemens,

unfortunately no. Please send your OP to Siemens repair Center in your Country.

regards

Georg

Hello,

Hello, Youu can found it on ebay or simillar online websites.

http://www.ebay.com/itm/1PC-Siemens-6AV3503-1DB10-OP3-Membrane-Keypad-NEW-/121740912835