Key with accumulator battery

ETK / BMW / E83N / X3 3.0i(PC73) / 41 / 41_1526
Name Ext. inf. A* Part number A Part number, Price per Unit.,
01 Door and ignition keyINTERNE NUMMER INTERNE NUMMER 1 51 21 7127047 - 51 21 7127047 -
 For vehicles with    
 Radio frequency 315 MHzWith S876A   
03 Universal key with remote control 2 66 12 6955748 - 66 12 6955748 -
 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.
08 Label "Key Memory" 1 71 23 6906390 - 71 23 6906390 -
 For vehicles with    
 Radio frequency 315 MHzWith S876A   
11 SET OF KEYS WITH EWS CONTROL UNIT315 MHZ 315 MHZ 1 51 21 0420561 - 51 21 0420561 -
* In the column 'A' indicates the number that is used in the selected vehicle.
To find out where to buy the item or equivalent, click on the part number.