hi all,i got 4 set of keys wen i bought the car. 2 master key wit fob, 1 plastic key and 1 metal key.the manual says that the 3rd key, plastic one is also master key but not intended for daily use as its made of plastic. the 4th key, metal but no fob, is for Valle use. but cant open the boot and glove box.tried all four keys, all as per mentioned in the manual. so come the puzzling part, hw come a plastic key can oso ignite the engine? so wuts the cock-bull story that e39 has ews cannot start engine wit bwh pokok locksmith made key?? or my local ckd car has no ews?? anyone??