Operation CHARM
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BMW
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1991
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525i (E34) L6-2494cc 2.5L DOHC (M50)
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Lighting and Horns
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Interior Lighting Module
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Testing and Inspection
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Interior Lights (IB/ZVM)
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Abbreviations
Abbreviations
Abbreviations
:
IB
Interior lights
, automatic interior light feature
IB
-switch
Interior light switch
IB-relay
Interior light relay
ZVM
Central locking module
ZV
Central locking system
TSH
Door lock heating
E
Input
A
Output