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12 61 285 Replacing Engine Oil Level Sensor (N52, N52K, N51, N46, N54, N53)

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IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary preliminary tasks: 

Unlock plug (1) and remove.

Unscrew nuts.

Tightening torque 12 61 2AZ. See 12 61 OIL PRESSURE, OIL TEMPERATURE, OIL LEVEL DISPLAY .

Remove level switch (2).

Installation: 

Clean sealing face on oil sump.

Replace seal on level switch.

An excessively low torque value will result in oil leaks.

An excessively high torque value will result in damage to the oil level switch.

Top up engine oil.

Fig 1: Identifying Level Switch And Plug Connector
G04740425Courtesy of BMW OF NORTH AMERICA, INC.