For engines with the letter designation BBM
1 - Connecting hose; 2 - Clamping bracket; 3 - Air filter; 4 - Suction pipe; 5 - Cable duct (Guide piece); 6 - Plug connector, only for vehicles with extended service intervals (WlV), three-pin, for oil level and temperature sensor "G266"; 7 - Plug connector, two-pin, for valve injectors "N30...N32"; 8 - Supply hose, secure with spring clamps; 9 - Fuel distributor with valve injectors; 10 - 10 Nm; 11 - Air valve; 12 - 20 Nm; 13 - Intake gas pipeline; 14 - Lambda probe before the catalytic converter "G39", 50 Nm, assembly location: in the exhaust manifold, lubricate only the threads with paste for connections subject to thermal stress "G 052 112 A3"; do not allow the paste to get into the slots of the probe body; 15 - Plug connector, for lambda probe before catalytic converter "G39", four-pin, black; 16 - Lambda probe behind the exhaust catalytic converter "G130", 50 Nm, assembly location: behind the exhaust catalytic converter, lubricate only the threads with paste for connections subject to thermal stress "G 052 112 A3"; it is important to prevent the paste from getting into the splines of the probe body, for engines according to the EU-4 emission limit values; 17 - Plug connector, for lambda probe behind the G130 catalytic converter, four-pin, brown, for engines complying with EU-4 exhaust emission limit values; 18 - Coolant temperature sensor "G62", before removing, reduce, if necessary, the pressure in the cooling system; 19 - Retaining clamp; 20 - O-ring; 21 - Coolant temperature regulator housing; 22 - Plug connectors, 81-pin and 40-pin, control unit "Simos" "J361" disconnect or connect the plug connector only when the ignition is off, before disconnecting, you should unlock it; 23 - Engine control unit; 24 - Holder; 25 - 2 Nm
For engines with the letter designation BZG
1 - Connecting hose; 2 - Clamping bracket; 3 - Air filter; 4 - Suction pipe; 5 - Cable duct (Guide piece); 6 - Plug connector, only for vehicles with extended service intervals (WIV), three-pin, for oil level and temperature sensor - G266-; 7 - Plug connector, two-pin, for valve injectors "N30...N32"; 8 - Connecting pipe of the fuel supply hose from the fuel filter; 9 - 10 Nm; 10 - Fuel distributor with valve injectors; 11 - 20 Nm; 12 - Intake gas pipeline; 13 - Lambda probe before the catalytic converter "G39", 50 Nm, assembly location: in the exhaust manifold, lubricate only the threads with paste for connections subject to thermal stress "G 052 112 A3"; do not allow the paste to get into the slots of the probe body; 14 - Plug connector, for lambda probe before catalytic converter "G39", four-pin, black; 15 - Lambda probe behind the exhaust catalytic converter "G130", 50 Nm, assembly location: behind the exhaust catalytic converter, lubricate only the threads with paste for connections subject to thermal stress "G 052 112 A3"; do not allow the paste to get into the slots of the probe body; 16 - Plug connector, for lambda probe behind the exhaust gas catalytic converter "G130", four-pin, brown; 17 - Coolant temperature sensor "G62", before removing, reduce, if necessary, the pressure in the cooling system; 18 - O-ring; 19 - Retaining clamp; 20 - 8 Nm; 21 - Coolant temperature regulator housing; 22 - Retaining clamp; 23 - Plug connectors, 81-pin and 40-pin, disconnect or connect the plug connector only with the ignition off, before disconnecting, it is necessary to unlock; 24 - Engine control unit; 25 - Holder; 26 - 2 Nm
(Text taken from this website: «SKODABOOK»)