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Home >> BMW >> 1997 >> 540i Automatic >> Repair and Diagnosis >> Engine Mechanical >> Starter >> ENGINE ELECTRICAL SYSTEM - TECHNICAL DATA - 540i (E39) >> Regulator >> 12 32 Regulator E39

12 32 Regulator E39

REGULATOR SPECIFICATION

Regulated voltage at 1500 RPM engine speed / no electrical devices on (at 30 °C to 60 °C at regulator) V 13.5. . . 14.1
Constant voltage regulator (only for vehicles with battery in trunk or underneath rear seat) V 14.3 +/- 0.1