BMW 1989-1995 525i Service Manual page 87

CYLINDER HEAD REMOVAL AND INSTALLATION
113-15
12. Disconnect the harness connectors shown in Fig. 37.
13. Label and then disconnect the wiring from the starter
motor.
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NOTE-
Some hoses may be secured with one-time crimp -type
hose clamps. The clamps may be pried loose with
a
small screwdriver. Replace the clamps with slanda rd
screw-type clamps.
10. Remove the air flow sensor by disconnecting the har-
ness connector and removing the retaining clips from
the unders ide 01 the air flow sensor. See Fig. 35.
11 . Disconnect the cables from the throttle lever. Remove
the cable bracket from the intake manifold and move
the cables out of the way. See Fig. 36.
Fig . 35. Air flow sensor rnountinq clips (arrow s).
8. Loosen the air cleaner housing mounting nuts. Loosen
the intake air boot hose clamps. Disconnect the intake
air hose and lift the air cleaner housing out 01 the car.
9. Disconnect any hoses from the intake air boot between
the air flow sensor and the intake manifold. Remove
the idle air control valve bracket mounting nut and reo
move the valve from the intake boot. Loosen the air
boot hose clamps and remove the boot. See Fig. 34.
Fig. 33. Coolant hose at heater core fA) and heater valve 1 8 ) to be cts-
connected .
Fig . 34. Disconnect hose clamps and remove Idle air control valve
mounting bracket (arrow s) to remove intake air boot.
REMOVING AND INSTALLING CYLINDER HEAD