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 applicable BMW parts catalogue

Prepare the oxygen sensor.
The sensor ceramics must not be damaged.
1. Thread
2. Sensor ceramics

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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.

Screw in the Lambda oxygen sensor (1) and tighten with the special tool 0 491 074 (11 7 020).

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TIGHTENING TORQUE SPECIFICATION

Lambda control sensor
M18x1.5	Tightening torque	50 Nm

Insert the heat shield (2) in arrow direction and install it.
Make sure that the heat protection (2) is against the stop (3).
Replace the cable ties (1).
Parts: Cable tie
Guide in cable tie (1) and install.

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Feed in bracket (2) of positive battery cable and position.
Attach the cable (1) in the clamps (arrows).

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Version A (without mild hybrid technology):

CAUTION: Improper routing of the positive battery cable .
Risk of short circuits!

Route the positive battery cable without abrasions and do not trap.

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Feed in bracket (5) of positive battery cable and position.
Tighten screws (arrows).

TIGHTENING TORQUE SPECIFICATION

Holder, positive battery cable to cylinder head cover
M6X18	Tightening torque	6 Nm

Secure the positive battery cable (1) at the clamps (2).
Secure the positive battery cable (3) at the clamps (4).
Version B (with mild hybrid technology):

CAUTION: Improper routing of the positive battery cable .
Risk of short circuits!

Route the positive battery cable without abrasions and do not trap.

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Feed in bracket (3) of positive battery cable and position.
Tighten screws (arrows).

TIGHTENING TORQUE SPECIFICATION

Holder, positive battery cable to cylinder head cover
M6X18	Tightening torque	6 Nm

Secure the positive battery cable (1) at the clamps (2).
Insert and connect the connector (2) in arrow direction on the carrier plate (3).
Locks (1) must engage audibly.
Secure cable (4) to the clamp (5).

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Connect connectors (1) and lock.
The connector (1) must engage audibly.

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Connect connectors (1) and lock them.
Insert the connectors (1) in the carrier plate and connect them.
Connector (1) must engage audibly.

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Follow-up work

Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to INSTALLING ACOUSTIC COVER .