11 71 101 Removing and installing or replacing low-pressure exhaust gas recirculation radiator (M57T2-SCR)

Only perform this repair work on an engine that has cooled down.

Necessary preliminary work: 

• Drain coolant. See 17 00 005 DRAINING AND ADDING COOLANT (M57T2)
• Remove REINFORCEMENT PLATE
• Remove rear underbody protection. See 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION .
• Remove intake silencer housing. See 13 71 000 REMOVING AND INSTALLING/REPLACING THE INTAKE SILENCER HOUSING (M57T2 WITH AND WITHOUT SCR) .

Release and remove intake pipe (1) between air filter housing and turbocharger.

Release clamp (2).

Tightening torque, see 11 71 3AZ in EXHAUST-GAS RECIRCULATION .

Detach coolant hoses (3) from EGR cooler.

Release screws (4) on EGR cooler and remove EGR cooler.

Tightening torque, see 11 71 1AZ in EXHAUST-GAS RECIRCULATION .

Installation note: 

Replace all gaskets.

Assemble engine.

Vent cooling system. See VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS

Check cooling system for watertightness. See 17 00 009 CHECKING COOLING SYSTEM FOR WATERTIGHTNESS .