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Home >> BMW >> 2015 >> Z4 sDrive35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine - Repair (N20) -- Z4-E89) >> 1153 thermostat and connections >> 11 53 086 Removing and installing coolant return line (N20)

11 53 086 Removing and installing coolant return line (N20)

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Release screw (1).

Tightening torque: 11 53 7AZ .

Installation note: 

Replace O-ring.

Fig 1: Identifying Coolant Return Line And Screw
G09925003

Assemble engine.