LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 95 (Cooling System - Repair Instructions) >> Coolant, Checking Cooling System >> 17 00 005 Draining and adding coolant (M54, M56)

17 00 005 Draining and adding coolant (M54, M56)

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, 2004 BMW 330xi, and 2004 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Danger of scalding!
These tasks on the cooling system should only be carried out on an engine that has cooled down!

Recycling 

Catch and dispose of drained coolant.

Observe country-specific waste-disposal regulations.

NOTE: Follow instructions for working on cooling system.
Use only recommended coolant.

Draining coolant: 

Open cap (1) on coolant expansion tank.

Fig 1: Opening Cap On Coolant Expansion Tank
G03123857Courtesy of BMW OF NORTH AMERICA, INC.

Remove reinforcement plate.

Remove front underbody protection.

Grip radiator adjusting screw (2) and undo drain plug (1) on radiator at bottom.

Drain, catch and dispose of coolant.

Installation: 

Replace sealing ring.

Tightening torque. Refer to 17 11 RADIATOR AND MOUNTING PARTS .

Fig 2: Removing Front Underbody Protection
G03123858Courtesy of BMW OF NORTH AMERICA, INC.

Open drain plug (1) on engine block.

Drain, catch and dispose of coolant.

Installation: 

Replace sealing ring.

Tightening torque. Refer to 17 11 RADIATOR AND MOUNTING PARTS .

Fig 3: Opening Drain Plug On Engine Block
G03123859Courtesy of BMW OF NORTH AMERICA, INC.