Specifications 89
the airflow volume. An intake air tempe-
rature sensor is installed at the airflow
meter.
Diagram of LJetronlc system
-BMW 633 Csi
1 -Control unit
2 -Airflow meter with ai r temperature
sensor
3 -Electric fuel pump
4 -Throttle butterfly switch
5 -l njectors
6 -Fuel filter
7 -Additio'nal ai r slide
8 -Pressure regulator
9 -Cold starting valve
10 -Heat-sensitive time switch
11 -Coolant temperature sensor
12 -Fuel tank
13 -Expansion chamber
14 -Fuel ring line
15 -Fuel retùrn line
16 -Ai r cleaner
17 -Aj r col lector
18 - Battery
19-Distributor
20 -1g nition/starter switch
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