Replacing right monitoring sensor (S63T2) (X5 M)

Special tools required: 

• 11 7 020

Necessary preliminary tasks: 

• Check function of DME control unit.
• Remove HOLDER . .

Release retaining clip (1).

Detach oxygen sensor cable from retaining clips (3).

Graphic N63.

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Loosen clamp and wipe off heat shield wire ring on oxygen sensor.

Release monitoring sensor (1) with special tool 11 7 020.

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Installation note: 

The threads of new oxygen control/monitoring sensors are already coated with 4.2 NEVER SEEZ COMPOUND  (refer to the applicable BMW Parts Catalogue).

If a lambda control/monitoring sensor is to be reused, apply a thin and even coating of Never Seez Compound to the thread only.

The part of the lambda control/monitoring sensor which projects into the exhaust branch (sensor ceramics) must not be cleaned and not coated with lubricant.

Fasten monitoring sensor (1) with special tool 11 7 020.

Tightening torque 11 78 1AZ .

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Installation note: 

Check function of DME control unit.

Pay attention to cable routing of monitor sensor.