Voltage Regulator Description
This Voltage Regulator is indexed for Part Number; BMW M3 (15-17); BMW ActiveHybrid 3 (13-15); BMW 340i xDrive (16-17). Compare reference number 51-33-7-281-886 against the label on your existing BMW component before ordering.
Before checkout, compare OEM part number 51-33-7-281-886, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




