Replace the emergency battery of the telematics control unit

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave electrical components in original packaging until just before they are installed. Use the original packaging only for any return shipments. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only touch the housings of electrical components. Do not touch pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information see: 61 35... NOTES for ESD protection (electrostatic discharge)

Preliminary works

NOTE: RISK OF DAMAGE
Careless handling of tools and sharp-edged components.
Scratch, surface damage.

NOTE: For a better overview the removed condition is shown here.

Unlock and open battery compartment (1) on telematic control unit (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Remove the emergency battery (1) from the battery compartment.
Replace emergency battery (1) .
Parts: Emergency battery
Close battery compartment on telematics control unit (2) .

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up Work