Seller notes

New (NOS) in sealed bag original BMW left door lock repair kit for double bolt key cylinder. BMW part #51 21 9 061 343 is discontinued and NLA for some time from dealer. Factory fitted cylinders had a common failure problem as the locating ball would wear out the actuating arm. These are the improved version that were redesigned with a roller instead of a ball. Please look at pictures and ask questions before purchase; in stock and ready to ship. If in doubt, please confirm with your BMW dealer ...

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