Door lock heater FOR VEHICLES WITH AND WITHOUT CENTRAL LOCKING SYSTEM Important! Before ordering keys, simultaneous locks, ECUs (immobiliser/CAS) etc., it is necessary to ensure the procurement authorisation of the customer and the vehicle owner by producing the original vehicle documents and official photo identification! A power of attorney from the vehicle owner is also required for authorised third parties. Copies of the specified credentials (proof of authorisation) must be kept in the vehicle records. Please inform BMW Service immediately if a vehicle key is lost so it can be deactivated in order to avoid taking the risk of losing the insurance cover due to gross negligence in the event of a theft.