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BMW
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1986
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524td (E28) L6-2443cc 2.4L DSL (M21)
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Adjustments
Idle Speed: Adjustments
Fig. 22 Idle Adjustment Screw:
1.
Engine must be at operating temperature.
2.
Loosen nut and turn adjustment screw until correct
idle speed
is reached (750 ± 50 RPM).
3.
Retighten nut at adjustment screw.