Bosch Alternator for BMW Z Series E85/6 (2003-2008)

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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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OEM Bosch Remanufactured Alternator - 120amp -- E46, Z4
OEM Bosch Remanufactured Alternator - 120amp -- E46, Z4
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Bosch - Corporate Logo
T#:373254
Part#: 12317519620KT
In Stock
$ 380.99

This product was last offered at the strikethrough price on
05-06-2026

$ 335.00 USD
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$ 335.00 USD
Free Shipping
Add to Wish List
Please check the part number on the alternator to ensure that you are ordering the correct part - This alternator has an oval connector on the back! If your car has died on the side of the road from a dead battery and you notice flickering or low powered head lights, it's likely your alternator failing. To be sure you are getting a high quality part with a long life-span, choose this OEM Bosch Alternator. This is an OEM replacement for BMW part # 12317519620 & 12317519618. Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform! A refundable $91.00 core charge must be applied to this alternator. Upon receipt of your rebuildable alternator core, you will be refunded the core charge.
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