12 14 604 Replacing knock sensor (cylinder 3. and 4.) (B46, B48)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary work:

Removal:

Unlock connector (1) and pull off.

Release screw (2).

Remove knock sensor (3).

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Preparation for installation:

Clean contact surface of knock sensor on engine block.

Installation:

Install knock sensor (3).

Tighten screw (2).

Observe tightening torque without fail!

Tightening torque 13 62 3AZ .

Attach connector (1).

Connector (1) must engage audibly.

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: