Removing and installing coolant feed line to exhaust turbocharger (S55 Engine) (2019-2022)

• Remove CARBON STRUT .
• Remove right-hand INTAKE SILENCER HOUSING .
• Remove top rear AIR DUCT .
• Remove bottom rear AIR DUCT .
• Remove CHARGE AIR DUCT  for cylinders 4-6.

Disconnect coolant line (3) from auxiliary coolant pump.

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Release screw (1).

Remove bottom coolant feed line (2). Tightening torque: 11 53 4AZ .

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Release screw (1).

Tightening torque: 11 53 4AZ .

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Replace coolant feed line (1) O-ring (3).

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Assemble engine. Top up COOLANT .