2011 BMW X5 xDrive 35d (E70) L63.0L DSL Turbo (M57Y)
Vehicle: All Technical Service Bulletins
Telematics(R) CDMA Telematics Control Unit Replacement
SI B84 02 12
Communication Systems
October 2012
Technical Service
This Service Information bulletin supersedes SI B84 02 12 dated May 2012.
[NEW] designates changes to this revision
SUBJECT
CDMA Telematics Control Unit (TCU) Replacement Procedure
MODEL
All equipped with a CDMA TCU and BMW Assist (option 639) or Premium Package (ZPP)
Refer to the chart above to verify that a CDMA TCU is installed in the vehicle being repaired. Confirm the model and the
production date.
INFORMATION
All CDMA (Code Division Multiple Access) replacement units from parts are deactivated and must be activated before handing
over the vehicle to the customer. This is not related to the customers BMW Assist account status being active. In order for BMW
Assist to work properly, the replacement procedure outlined below must be carried out.
PROCEDURE
1.
2.
[NEW] Verify the account status by calling 18883336118, option 4.
^ If the account is still active, proceed to step 2.
^ If the account has expired, contact the customer and advise him/her of his/her Assist account status. If he/she would
like to reenroll in BMW Assist Services, a new ESA agreement must be completed. Also, refer to SI B84 22 05 to
reactivate the TCU.
[NEW] Prior to the technician receiving the replacement CDMA TCU, he must verify the following:
^ The Parts Manager has already activated the replacement CDMA TCU via DCSnet as per SI B84 03 11.
^ The new MIN (Mobile Identification Number) and MDN (Mobile Directory Number) are provided to him by the Parts
Manager.
Note:
After entering the ESN number, it may take approximately 30 minutes for the new MIN and MDN numbers to be
displayed in DCSnet.
3. [NEW] Install, program, and code the replacement TCU using ISTA/P.
4. [NEW] The new MIN and MDN numbers must be written into the TCU as follows:
5.
^ Select "Activities / Service function / Body / Telecommunications / TCU Telematics control unit / Reenabling BMW
Assist / Start Search."
^ Perform test plan "S8400_00016 Reenabling BMW Assist TCU 1.5 Most" to write the new MIN and MDN numbers
into the replacement TCU.
Refer to SI B84 15 03 to perform the "Initialization of the BMW Assist Services."2
6.
Perform a test call using the SOS button to verify the system is functioning correctly. Verify that Assist receives both the
voice and data transmission.
WARRANTY INFORMATION
Not applicable
