Hi recently My E36 someone try to break in but end up spoilt my door lock so i try go to Potong kereta find one door lock to replace it and first thinking have to make another new key just for my new lock means i have carry two key with me...but my friends told me can find key smith specialist they can modify my new lock just using back original key so i dun need carry two key...today i try ask one key maker shop in PJ SS2, they said can modify it but cost me about rm180 just for modify labour cost... i find it too expensive not worth it all...but anyone here can introduce me more resonable key maker Sifu can do such job...Thanxxx...NOTE; My Origianl Key starter have no i c chips, just a normal key and swicth starter .