Partially installing the left Lambda oxygen sensor

WARNING: Hot surfaces. 
Risk of burning! 

• Perform all work only on components that have cooled down.

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

• Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
• Read and comply with user information on using the associated special tool 12 7 060.
• Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
• Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
• For additional information see: 61 35... NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .

• Tighten the left Lambda oxygen sensor (1) with the special tool.
  TIGHTENING TORQUES SPECIFICATION
  
  

  Front Lambda oxygen sensor/oxygen sensor monitor on catalytic converter
  M18x1.5	tightening torque  50 Nm

• Secure the left Lambda oxygen sensor cable in area (2) in the cable bracket.

Courtesy of BMW OF NORTH AMERICA, INC.