Attention! Before ordering components related to theft (for example keys, single key locking system, BDC control units) it is necessary to secure the procurement authorisation of the customer, vehicle holder or an authorised third party through presentation of original vehicle documents and an official photo ID! For authorised third parties a power of attorney on the part of the vehicle owner is also necessary. Copies of the listed credentials must be stored in the vehicle records. If a vehicle key is lost BMW Service must be informed immediately thereof to deactivate the key in order to avoid the risk in the event of a theft of losing the insurance protection as a result of gross negligence.,Attention! Before ordering components related to theft (for example keys, single key locking system, BDC control units) it is necessary to secure the procurement authorisation of the customer, vehicle holder or an authorised third party through presentation of original vehicle documents and an official photo ID! For authorised third parties a power of attorney on the part of the vehicle owner is also necessary. Copies of the listed credentials must be stored in the vehicle records. If a vehicle key is lost BMW Service must be informed immediately thereof to deactivate the key in order to avoid the risk in the event of a theft of losing the insurance protection as a result of gross negligence.