11 53 000 Removing and installing/replacing coolant thermostat (N14)

Special tools required:

17 2 050

WARNING: Risk of scalding!
Only perform these tasks on an engine that has cooled down.
Danger of injury!
Risk of slipping due to coolant on the floor.

Recycling:

Catch and dispose of drained coolant.

Observe country-specific waste disposal regulations.

IMPORTANT: Read and comply with GENERAL NOTES .
Protect plug connections against coolant and contamination.
Cover plug connections with suitable materials.

Necessary preliminary tasks:

Drain COOLANT from radiator.

Release lock (1) on coolant pipe in direction of arrow.

NOTE:

Undo metal hose clamps using special tool 17 2 050 .

Fig 1: Releasing Lock On Coolant Pipe

G04796398

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) on coolant thermostat.

Fig 2: Identifying Coolant Thermostat Plug Connection

G04796399

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) on coolant temperature sensor.

Unfasten screws (2 and 3).

Fig 3: Identifying Thermostat Screws And Nuts

G04796400

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace gasket (1).

Fig 4: Identifying Thermostat Gasket

G04796401

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque: 8 Nm.

Assemble engine.

FILL COOLING SYSTEM and check for tightness.