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Home >> BMW >> 2021 >> 840i 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 212 (Oxygen Sensors -- Repair (G02)) >> 11 78 Oxygen Sensors >> 11 78 510 Replacing oxygen sensor (after vehicle diagnosis) (X4 xDrive30i 2019-2021) >> Installing Lambda oxygen sensor

Installing Lambda oxygen sensor

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Preparing 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: OVERVIEW OF CONSUMABLES (BMW PARTS CATALOGUE) .
NOTE: TECHNICAL INFORMATION 
For additional information see: OVERVIEW OF CONSUMABLES (BMW PARTS CATALOGUE) .
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
G12701448Courtesy of BMW OF NORTH AMERICA, INC.
G12701458Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work