17 51 020 Removing and installing or replacing supplementary coolant pump for intercooler (N63)

Necessary preliminary tasks: 

• Check stored fault message.
• Switch off ignition.
• Remove fan cowl   .
• Drain coolant for intercooler

Release clamp (1) and detach coolant hose.

Unlock and detach coolant hose (2).

Unlock plug (3) and remove.

Release screw (4).

Remove supplementary coolant pump (5).

After completing work, fill intercooler with coolant.

Vent cooling system for intercooler   .

Check cooling system for leaks.

Assemble engine.

Read out fault memory of DME control unit.

Now clear the fault memory.