Top view of 16V 4000 M with external cooling
1 B49 (charge-air temp., air
recirculation valve)
Y26 (air recirculation valve
A)
42 | Product Summary | MS150068/01E 2014-01
2 B4.A1-B4.B8 (single ex-
haust temp., A1-A8, B1-
B8)
3 B33 (fuel temperature in
common rail)