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Home >> BMW >> 2021 >> X3 xDrive30e >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake Plenum, Turbocharger, Engine Vacuum System, Oxygen Sensors -- Repair (G01) >> 11 78 Co Adjustment, Oxygen Sensor >> 11 78 510 Replacing oxygen sensor (after vehicle diagnosis) (X3 xDrive 30e PHEV) >> Installing Lambda oxygen sensor

Installing Lambda oxygen sensor

NOTE: TECHNICAL INFORMATION 
Grease the threads of new oxygen sensors thinly and evenly.
For oxygen sensors that are reused, the following should be observed:
Thinly and evenly grease the oxygen sensor on the thread only. Do not clean the part of the oxygen sensor that does not protrude into the exhaust line (sensor ceramics) and do not grease.
For ADDITIONAL INFORMATION see: 11 00... Overview of consumables in BMW Parts Catalog
NOTE: TECHNICAL INFORMATION 
For ADDITIONAL INFORMATION see: 11 00... Overview of consumables in BMW Parts Catalog

Do not damage the sensor ceramics.

(1) = Thread

(2) = Sensor ceramics

G12729203Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The cable of the Lambda oxygen sensor is black. The installation location of the Lambda oxygen sensor is in front of the catalytic converter.
TIGHTENING TORQUES SPECIFICATION

Lambda control sensor 
M18x1.5 Tightening torque  50 Nm
G14234750Courtesy of BMW OF NORTH AMERICA, INC.
G14234748Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Improper routing of the positive battery cable. 
Risk of short circuits! 
  • Route the positive battery cable without abrasions and do not trap.
TIGHTENING TORQUES SPECIFICATION

Holder, positive battery cable to cylinder head cover 
6X18 Tightening torque  6 Nm
G14216743Courtesy of BMW OF NORTH AMERICA, INC.
G14216753Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work