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Alternator

The alternator keeps the battery in a constant state of charge anytime the engine is running. If your lights are dimming or you hear excessive bearing noise around the alternator, chances are that it's time for a replacement.

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Hitachi Voltage Regulator - BMW E31 E32 E34 E36

T#:48850064

Part#: 12311747920

Ships in 6 Business Days

$ 37.99 USD

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$ 37.99 USD

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This voltage regulator is a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to maintain a safe range of vehicle voltage, thereby protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator.

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Hitachi Voltage Regulator - BMW E88 N52

T#:48815477

Part#: 12317550469

Ships in 6 Business Days

$ 79.99 USD

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$ 79.99 USD

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Supplies power to your car's electronics and recharges the battery.

Genuine MINI Voltage Regulator Bosch - 12317577245

T#:39017

Part#: 12317577245

Ships in 3 Business Days

7% off MSRP $ 200.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 186.99 USD

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7% off MSRP

$ 200.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 186.99 USD

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Genuine MINI VOLTAGE REGULATOR
Fits BMW Engines including:
N12,N14,N16,N18

Alternator - 105 Amp Compact

T#:568371

Part#: 12317515030KT2KT

Back Ordered

$ 1,211.99

This product was last offered at the strikethrough price on
03-05-2026

$ 1,203.99 USD

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$ 1,203.99 USD

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includes a $192.50 core charge

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