Install the left Lambda oxygen sensor
WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.
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
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
- Feed in the Lambda oxygen sensor (5) on the left and install it.
- Fasten the cable (4) of the Lambda oxygen sensor on the clamps (5) on the left.
- Attach the connector (2) to the holder (3) and lock.
The connector (2) must engage audibly.
- Connect connectors (1) and lock.
The connector (1) must engage audibly.
- Tighten the Lambda oxygen sensor on the left using special tool 0 491 074 (11 7 020) .
TIGHTENING TORQUES SPECIFICATION
| Front Lambda oxygen sensor/oxygen sensor monitor on catalytic converter | ||
|---|---|---|
| M18x1.5 | tightening torque | 50 Nm |
Follow-up work
- Refer to INSTALLING ACOUSTIC COVER .