This is a genuine BMW label "Key Memory", part number 66 12 8 381 059. The number stamped on the part is 66128381059; BMW's catalog files it under the short number 8381059. You will find it on our Instruments & Electronics shelf, under Radio-controlled locking system.
It fits the E46 sedan, coupe, convertible and touring (320i, 323i, 325i, 328i, 330i and M3, 1999–2006), with the M52, M54, M56 or S54 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Key with battery (up to 09/99) (41_1108) and Key with accumulator battery(from 09/99) (41_1330).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
