Valeo Alternator for BMW E46 M3 S54 (1999-2005)

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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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E46 M3, MZ3 S54 OEM Valeo Alternator (New)
E46 M3, MZ3 S54 OEM Valeo Alternator (New)
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Valeo - Corporate Logo
T#:377735
Part#: 12317831436
In Stock at Vendor
$ 508.99

This product was last offered at the strikethrough price on
05-07-2026

$ 494.99 USD
Free Shipping
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$ 494.99 USD
Free Shipping
Add to Wish List

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies.

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