Operation CHARM
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BMW
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1997
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540i (E39) V8-4398cc 4.4L DOHC (M62)
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Repair and Diagnosis
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Powertrain Management
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Transmission Control Systems
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Relays and Modules - Transmission and Drivetrain
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Relays and Modules - A/T
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Control Module
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Technical Service Bulletins
Control Module: Technical Service Bulletins
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Customer Interest
A/T - Harsh Upshifts, New Software For Control Module
A/T - Poor Shift Quality
A/T - Hard 5th to 4th/3rd to 2nd Gear Downshifts
A/T - Hangs in Gear At Times/Downshifts For No Reason
A/T - Harsh Upshifts, Updated AGS Software
All Technical Service Bulletins
A/T - Harsh Upshifts, New Software For Control Module
A/T - Poor Shift Quality
A/T - Hard 5th to 4th/3rd to 2nd Gear Downshifts
A/T - Hangs in Gear At Times/Downshifts For No Reason
A/T - Harsh Upshifts, Updated AGS Software