Oxygen Sensor, Remove and Install (M 2.5, M 2.8)
Remove, Disconnect
Disconnect wiring harness plug (arrow) for oxygen sensor and lay free cable - note cable routing.
Detach oxygen sensor (1) from exhaust pipe.
Important!
When reusing oxygen sensor smear thread with special grease (black).
Tighten (Torque)
Install oxygen sensor in exhaust pipe - 30 Nm/22 lbf. ft.
Wiring harness plug for oxygen sensor - note correct routing of cables.