Removing/replacing knock sensors (N55T0 Engine) (2016-2018)

Necessary preliminary tasks: 

• Read out the fault memory of the DME control unit.
• Switch off ignition.
• Remove HIGH PRESSURE PUMP .

Recycling: 

Fuel escapes when fuel lines are detached.

Catch and dispose of escaping fuel.

Observe country-specific waste disposal regulations.

Unlock connector (1) and remove.

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Release screws on both knock sensors (1) and remove knock sensors (1).

Installation note: 

Tightening torque 13 62 3AZ .

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Installation note: 

Clean contact surface of knock sensors on engine block.

Courtesy of BMW OF NORTH AMERICA, INC.