Important: All hose connections are secured with clamps. The supercharging system must be sealed. Boost pressure hoses and charge air pipes, as well as their connections, must be free of oil and grease before reassembly.
Engine with the letter designation BSW
1 - Air duct; 2 - Charge air cooler; 3 - 8 Nm; 4 - O-ring seal, replace if damaged; 5 - Intake air pressure sensor "G71" with intake air temperature sensor "G72"; 6 - Holder; 7 - 5 Nm; 8 - Connecting hose; 9 - Upper charge air pipe; 10 - To the inlet pipe; 11 - From the air filter; 12 - From the valve box cover, crankcase ventilation of the crankshaft; 13 - Charge air pipe, rear; 14 - Turbocharger; 15 - Lower charge air pipe; 16 - Holder, screwed to the poly V-belt holder
Engine with the letter designation BLS
1 - Air duct; 2 - Charge air cooler; 3 - 8 Nm; 4 - Holder; 5 - Connecting hose; 6 - Charge air intake pipe, from charge air outlet cooler to intake manifold; 7 - O-ring seal, replace if damaged; 8 - To the inlet pipe; 9 - 3 Nm; 10 - Intake air pressure sensor "G31" with intake air temperature sensor "G42"; 11 - From the turbocharger; 12 - Charge air intake pipe, from turbocharger to charge air cooler; 13 - 8 Nm
