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Standard Ignition VR-473 Voltage Regulator
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.
| Brand | Standard Ignition |
| Part Number | VR-473 |
| Connector Gender | No Connector |
| Mounting Location | Alternator |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
This part fits 75 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1994 | BMW | 318i | N/A | 80 or 90 Amp |
| 1994 | BMW | 318is | N/A | 80 or 90 Amp |
| 1994 | BMW | 850Ci | N/A | |
| 1994 | BMW | 850CSi | N/A | |
| 1993 | BMW | 318i | N/A | 80 or 90 Amp |
| 1993 | BMW | 318is | N/A | 80 or 90 Amp |
| 1993 | BMW | 535i | N/A | |
| 1993 | BMW | 750iL | N/A | 115 Amp |
| 1993 | BMW | M5 | N/A | |
| 1992 | BMW | 318i | N/A | 80 or 90 Amp |
| 1992 | BMW | 318is | N/A | 80 or 90 Amp |
| 1992 | BMW | 325is | N/A | 105 Amp Alternator Brush Set for various alternator models |
| 1992 | BMW | 535i | N/A | |
| 1992 | BMW | 735i | N/A | |
| 1992 | BMW | 735iL | N/A | |
| 1992 | BMW | 750iL | N/A | 115 Amp |
| 1992 | BMW | 850i | N/A | 115 Amp |
| 1992 | BMW | M5 | N/A | |
| 1991 | BMW | 318i | N/A | 80 or 90 Amp |
| 1991 | BMW | 318is | N/A | 80 or 90 Amp |
| 1991 | BMW | 325i | N/A | |
| 1991 | BMW | 325is | N/A | |
| 1991 | BMW | 325iX | N/A | |
| 1991 | BMW | 525i | N/A | |
| 1991 | BMW | 535i | N/A | |
| 1991 | BMW | 735i | N/A | |
| 1991 | BMW | 735iL | N/A | |
| 1991 | BMW | 750iL | N/A | 115 Amp |
| 1991 | BMW | 850i | N/A | 115 Amp |
| 1991 | BMW | M3 | N/A | |
| 1991 | BMW | M5 | N/A | |
| 1990 | BMW | 325i | N/A | |
| 1990 | BMW | 325is | N/A | |
| 1990 | BMW | 325iX | N/A | |
| 1990 | BMW | 525i | N/A | 80 Amp Alternator Brush Set. |
| 1990 | BMW | 535i | N/A | 115 or 140 Amp |
| 1990 | BMW | 735i | N/A | 115 or 140 Amp |
| 1990 | BMW | 735iL | N/A | 115 or 140 Amp |
| 1990 | BMW | 750iL | N/A | 115 Amp |
| 1990 | BMW | M3 | N/A | |
| 1989 | BMW | 325i | N/A | |
| 1989 | BMW | 325is | N/A | |
| 1989 | BMW | 325iX | N/A | |
| 1989 | BMW | 525i | N/A | 115 Amp |
| 1989 | BMW | 535i | N/A | 115 or 140 Amp |
| 1989 | BMW | 735i | N/A | 115 or 140 Amp |
| 1989 | BMW | 735iL | N/A | 115 or 140 Amp |
| 1989 | BMW | 750iL | N/A | 115 Amp |
| 1989 | BMW | M3 | N/A | |
| 1988 | BMW | 325i | N/A | |
| 1988 | BMW | 325is | N/A | |
| 1988 | BMW | 325iX | N/A | |
| 1988 | BMW | 528e | N/A | 90 Amp |
| 1988 | BMW | 535i | N/A | 115 Amp |
| 1988 | BMW | 535is | N/A | 115 Amp |
| 1988 | BMW | 735i | N/A | 115 or 140 Amp |
| 1988 | BMW | 735iL | N/A | 115 or 140 Amp |
| 1988 | BMW | 750iL | N/A | 115 Amp |
| 1988 | BMW | M3 | N/A | 90 Amp |
| 1987 | BMW | 325e | N/A | |
| 1987 | BMW | 325i | N/A | |
| 1987 | BMW | 325is | N/A | |
| 1987 | BMW | 528e | N/A | 90 Amp |
| 1987 | BMW | 535i | N/A | 90 Amp |
| 1987 | BMW | 735i | N/A | 115 or 140 Amp |
| 1986 | BMW | 325e | N/A | |
| 1986 | BMW | 528e | N/A | |
| 1986 | BMW | 535i | N/A | 90 Amp |
| 1985 | BMW | 318i | N/A | |
| 1985 | BMW | 325e | N/A | |
| 1985 | BMW | 528e | N/A | |
| 1985 | BMW | 535i | N/A | |
| 1984 | BMW | 318i | N/A | |
| 1984 | BMW | 325e | N/A | |
| 1984 | BMW | 528e | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.