HomeElectrical, Charging and Starting > Voltage RegulatorStandard Ignition VR-473 Voltage Regulator
Part #: VR-473

Standard Ignition VR-473 Voltage Regulator

⚙️ 75 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 318i, 318is, 850Ci, 850CSi, 535i, 750iL, M5, 325is, 735i, 735iL, 850i, 325i, 325iX, M3, 525i, 325, 528e, 535is, and 325e
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Reliable Charging System Voltage Regulator for BMW Vehicles

The Standard Ignition VR-473 Charging System Voltage Regulator is designed to maintain optimal voltage levels in your BMW's alternator. Engineered for precise fitment, this regulator supports a range of BMW models including the 318i, 325i, 535i, and M3, ensuring consistent electrical performance.

  • Compatible with BMW models: 318i, 318is, 325e, 325i, 325is, 325iX, 525i, 528e, 535i, 535is, 735i, 735iL, 750iL, 850Ci, 850CSi, 850i, M3, M5
  • Part Number: VR-473
  • Voltage: 12V for standard automotive electrical systems
  • Compact dimensions: 76.962 x 50.292 x 41.402 mm (3.03 x 1.98 x 1.63 inches)
  • Mounts directly on the alternator with one terminal connection
  • No connector or mounting brackets included

Product Details and Specifications

This charging system voltage regulator from Standard Ignition is designed to regulate the alternator output voltage, protecting your BMW's electrical components from overvoltage and ensuring battery longevity. The VR-473 features a single terminal and is intended for mounting directly on the alternator, matching the original equipment specifications for a precise fit. Its compact size allows for easy integration without interfering with surrounding engine components.

Common Applications and Problem Resolution

  • Prevents battery overcharging and undercharging issues
  • Eliminates flickering or dimming dashboard lights caused by voltage fluctuations
  • Resolves alternator output inconsistencies in BMW 3 Series and 5 Series models
  • Addresses electrical system faults related to voltage regulation
  • Improves overall charging system reliability in BMW M3 and M5 vehicles

Installation Notes and Tips

Installation requires removal of the alternator cover to access the mounting location. Ensure the vehicle's battery is disconnected before beginning installation to avoid electrical hazards. The VR-473 does not include hardware or mounting brackets, so retain original components during replacement. Verify the single terminal connection is secure and free of corrosion for optimal performance.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit and function. While this voltage regulator does not include installation instructions or hardware, it is engineered for durability and consistent performance. Please consult the product packaging or Standard Ignition's official resources for warranty details applicable to the VR-473 part number.

BrandStandard Ignition
Part NumberVR-473
Connector GenderNo Connector
Mounting LocationAlternator
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 75 vehicles. Search below:

YearMakeModelPositionNotes
1994BMW318iN/A80 or 90 Amp
1994BMW318isN/A80 or 90 Amp
1994BMW850CiN/A
1994BMW850CSiN/A
1993BMW318iN/A80 or 90 Amp
1993BMW318isN/A80 or 90 Amp
1993BMW535iN/A
1993BMW750iLN/A115 Amp
1993BMWM5N/A
1992BMW318iN/A80 or 90 Amp
1992BMW318isN/A80 or 90 Amp
1992BMW325isN/A105 Amp Alternator Brush Set for various alternator models
1992BMW535iN/A
1992BMW735iN/A
1992BMW735iLN/A
1992BMW750iLN/A115 Amp
1992BMW850iN/A115 Amp
1992BMWM5N/A
1991BMW318iN/A80 or 90 Amp
1991BMW318isN/A80 or 90 Amp
1991BMW325iN/A
1991BMW325isN/A
1991BMW325iXN/A
1991BMW525iN/A
1991BMW535iN/A
1991BMW735iN/A
1991BMW735iLN/A
1991BMW750iLN/A115 Amp
1991BMW850iN/A115 Amp
1991BMWM3N/A
1991BMWM5N/A
1990BMW325iN/A
1990BMW325isN/A
1990BMW325iXN/A
1990BMW525iN/A80 Amp Alternator Brush Set.
1990BMW535iN/A115 or 140 Amp
1990BMW735iN/A115 or 140 Amp
1990BMW735iLN/A115 or 140 Amp
1990BMW750iLN/A115 Amp
1990BMWM3N/A
1989BMW325iN/A
1989BMW325isN/A
1989BMW325iXN/A
1989BMW525iN/A115 Amp
1989BMW535iN/A115 or 140 Amp
1989BMW735iN/A115 or 140 Amp
1989BMW735iLN/A115 or 140 Amp
1989BMW750iLN/A115 Amp
1989BMWM3N/A
1988BMW325iN/A
1988BMW325isN/A
1988BMW325iXN/A
1988BMW528eN/A90 Amp
1988BMW535iN/A115 Amp
1988BMW535isN/A115 Amp
1988BMW735iN/A115 or 140 Amp
1988BMW735iLN/A115 or 140 Amp
1988BMW750iLN/A115 Amp
1988BMWM3N/A90 Amp
1987BMW325eN/A
1987BMW325iN/A
1987BMW325isN/A
1987BMW528eN/A90 Amp
1987BMW535iN/A90 Amp
1987BMW735iN/A115 or 140 Amp
1986BMW325eN/A
1986BMW528eN/A
1986BMW535iN/A90 Amp
1985BMW318iN/A
1985BMW325eN/A
1985BMW528eN/A
1985BMW535iN/A
1984BMW318iN/A
1984BMW325eN/A
1984BMW528eN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

123112716641V102627-1590280-312229-02773009789058265KVR584R978VR1183VR639

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.