17 00 005 Draining and topping up coolant (M62, M54 and M57)
Only perform these tasks on an engine that has cooled down.
Recycling Catch and dispose of drained coolant. Observe country-specific waste-disposal regulations.
Draining coolant:
Separate coolant expansion tank (M62):
Open cap on coolant expansion tank
Slacken vent plug on coolant expansion tank.
Integrated coolant expansion tank (M54/M57)
Open cap (1) on coolant expansion tank.
Slacken vent plug on coolant expansion tank.
M62, M54 and M57.
Remove reinforcement plate.
Release screws.
Remove underbody paneling (1).
M62:
Open drain plug at bottom of radiator.
Drain, catch and dispose of coolant.
Installation:
Replace seal.
Tightening torque, refer to 17 11 2AZ in COOLING SYSTEM - TIGHTENING TORQUES - X5 (4.6L) .
Open drain plug on right of engine block.
Drain, catch and dispose of coolant.
Installation:
Replace seal.
Tightening torque, refer to 11 11 5AZ in ENGINE - TIGHTENING TORQUES - X5 (4.6L) .
Adding coolant:
Use only recommended coolant,
refer to BMW SERVICE OPERATING FLUIDS MG17 .
- Turn on ignition.
- Set heating controller to maximum temperature
- Set fan to low setting. This opens the heating valves and starts the auxiliary water pump.
- Perform filling operation slowly.
- Pour coolant into coolant expansion tank up to Max. cold fill level.
- Close vent plug when bubble-free coolant emerges
- Close coolant expansion tank.
Vent cooling system and check for leaks.