BMW 5251 Service Manual page 427

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Fuel Injection
1
4
If necessary, disconnect electrical harness connector at fuel
tank venting valve (A). Disconnect hose at quick disconnect
fitting (arrow).
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Worlting at throttle housing, turn harness plug counterclock-
wise and disconnect. Remove throttle assembly mounting
fasteners (arrows) and pull assembly off manifold.
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Installation is reverse of removal.
0
Replace sealing ring between throttle assembly and intake
manifold.
Reattach throttle assembly harness connector with care.
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Arrow on fully tightened connector must line up with corre-
sponding arrow on throttle assembly housing.
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Use BMW scan tool to reset ECM adaptation values.