BMW 3-Series Voltage Regulators
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ACDelco®Professional™ Voltage RegulatorProfessional™ Voltage Regulator by ACDelco®. Get the proper voltage to your vehicle’s critical systems with ACDelco Professional Voltage Regulators. Built as the ideal replacement part for your worn Original Equipment, ACDelco...Delivers needed system voltage and provides the proper fit, form and function to let your vehicle run the way it was designedDesigned to deliver trouble-free, consistent performance$36.66 - $333.99 - Genuine®Voltage RegulatorVoltage Regulator by Genuine®. If your starting and charging system parts are in need of repair, don't compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. At...Designed to restore your vehicle’s starting and charging systemGenuine OE replacement parts from the OE manufacturer$46.25 - $410.22
- WVE®Voltage RegulatorVoltage Regulator by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$14.69 - $2,068.06
- Vemo®Voltage RegulatorVoltage Regulator by Vemo®. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have issues with...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$15.80 - $460.34
- Genuine®Alternator Diode RelayAlternator Diode Relay by Genuine®. If your starting and charging system parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts...Designed to restore your vehicle’s starting and charging systemGenuine OE replacement parts from the OE manufacturer$27.71
- Bosch®Voltage RegulatorVoltage Regulator by Bosch®. Efficiency and quality are the key characteristics of multi-function regulators designed to protect vehicle electronic systems. This unique Bosch invention is not only responsible for checking and regulating...OE quality parts from top original equipment and aftermarket manufacturersReliable engine starting$32.71 - $86.36
- Standard®Intermotor™ Voltage RegulatorIntermotor™ Voltage Regulator by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.90 - $874.76
- Valeo®Voltage RegulatorVoltage Regulator by Valeo®. Designed utilizing the latest technology, this product by Valeo features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$44.43 - $120.98
- Hella®Voltage RegulatorVoltage Regulator by Hella®. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have issues with...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$103.35
- Hitachi®Voltage RegulatorVoltage Regulator by Hitachi®. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have issues with...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$28.09 - $144.67
- Genuine®Alternator Brush AssemblyAlternator Brush Assembly by Genuine®. If your starting and charging system parts are in need of repair, don't compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain...Designed to restore your vehicle’s starting and charging systemGenuine OE replacement parts from the OE manufacturer$28.54 - $57.86
- Standard®Intermotor™ Alternator BrushIntermotor™ Alternator Brush by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.00 - $28.60
- WVE®Alternator BrushAlternator Brush by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$3.67 - $123.18
- Genuine®Voltage Regulator (12317547082)Voltage Regulator (12317547082) by Genuine®. If your starting and charging system parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts...Designed to restore your vehicle’s starting and charging systemGenuine OE replacement parts from the OE manufacturer$228.44
- Genuine®Voltage Regulator (12317551153)Voltage Regulator (12317551153) by Genuine®. If your starting and charging system parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts...Designed to restore your vehicle’s starting and charging systemGenuine OE replacement parts from the OE manufacturer$207.08
- WVE®Voltage Regulator (1V1026)Voltage Regulator (1V1026) by WVE®. With Internal Regulator. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality....Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$109.74
- Vemo®Alternator Regulator (V20-77-0299)Alternator Regulator by Vemo®. OE. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have issues...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$66.23
- Vemo®Alternator Regulator (V10-77-0016)Alternator Regulator (V10-77-0016) by Vemo®. Aftermarket. with Slipring 14 mm. Voltage: 14,4 V. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$28.51
- Vemo®Voltage Regulator (V10-77-0001)Voltage Regulator (V10-77-0001) by Vemo®. Aftermarket. with Slipring 28 mm. Voltage: 14,5 V. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$16.95
- Bosch®Voltage Regulator (1987237059)Voltage Regulator (1987237059) by Bosch®. Efficiency and quality are the key characteristics of multi-function regulators designed to protect vehicle electronic systems. This unique Bosch invention is not only responsible for checking...OE quality parts from top original equipment and aftermarket manufacturersReliable engine starting$41.66
- Bosch®Voltage Regulator (30 090)Voltage Regulator (30 090) by Bosch®. Internally Mounted. Efficiency and quality are the key characteristics of multi-function regulators designed to protect vehicle electronic systems. This unique Bosch invention is not only...OE quality parts from top original equipment and aftermarket manufacturersReliable engine starting$67.55
- Standard®Intermotor™ Voltage Regulator (VR-134)Intermotor™ Voltage Regulator (VR-134) by Standard®. 1 Blade, Eye-loop Terminals Connector. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$48.42
- Valeo®Voltage Regulator (593423)Voltage Regulator (593423) by Valeo®. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$110.30
- BMW OEVoltage Regulator (12317551153)Voltage Regulator (12317551153) by BMW OE. Choose genuine OE parts to restore the distinctive appearance and performance of your BMW. Meticulously crafted with German ingenuity, innovation, and attention to detail, each part reflects...OE part manufactured to provide authentic quality, look, and functionDesigned to easily restore your BMW’s original condition$212.66
- Hitachi®Voltage Regulator (ALR0340)Voltage Regulator (ALR0340) by Hitachi®. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$44.02
- Hitachi®Voltage Regulator (ALR0552)Voltage Regulator (ALR0552) by Hitachi®. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$34.08
- Hitachi®Voltage Regulator (ALR0696)Voltage Regulator (ALR0696) by Hitachi®. A voltage regulator is one of the vehicle components responsible for ensuring that your battery is recharged safely and electrical components get the specific power level they need. If you have...Expertly built according to stringent OEM specificationsMade to enable as safe battery recharging as possible$56.17
- Standard®Intermotor™ Alternator Brush Set (GB-299)Intermotor™ Alternator Brush Set (GB-299) by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.43
- Standard®Intermotor™ Alternator Brush Set (FX-45)Intermotor™ Alternator Brush Set (FX-45) by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.35
- Painless Performance®Ceramic Voltage Reducer (40027)Ceramic Voltage Reducer by Painless Performance®. This product is made of high-quality materials to serve you for years to come. The perfect solution for a 6 - volt accessory that must be used with your 12 - volt electrical system....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.09
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The voltage regulator is designed to protect your vehicle’s electrical system from excessive voltage generated by the alternator. This regulator keeps the output voltage within a required range regardless of load conditions and changes in the input voltage. When the engine of your BMW 3-Series is off, the voltage at the battery should slightly exceed 12 volts. When the engine is running at about 2,000 rpm, the voltage should stay within a range from 13 to 14.5 volts. The smoothly operating voltage regulator will keep your battery and the entire electrical system healthy. But if it goes bad, your battery may boil because of overcharge.
If the voltage at the battery appears to be higher than ~ 15 volts while the engine is running, your regulator has most likely failed. Under such circumstances, the battery can boil over and acid may start flowing out. In this case, clean the leak immediately to prevent damage to metal surfaces. You should always keep the voltage on your car under control, because it is equipped with numerous electrical components, which must operate adequately. Our store provides premium quality BMW 3-Series voltage regulators to help you with any kind of repair.
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