Starter for BMW F85 X5 M S63 4.4L

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Replacing a failed starter in any BMW can be an involved task. Make sure to inspect and replace any broken wires and install the new starter with a fresh set of bolts.
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OEM Bosch Remanufactured Starter - SR9523X
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Bosch - Corporate Logo
T#:639737
Part#: 12417618620BKT
Ships on Jun 29, 2026
$ 386.99

This product was last offered at the strikethrough price on
05-08-2026

$ 378.00 USD
Free Shipping on orders $49 and up
$ 378.00 USD
Free Shipping on orders $49 and up
*Price includes a refundable $75 Core Charge* If your car won't turn over, there is a good chance your starter is shot. Bosch's OEM starter is a high-quality replacement that will give you peace of mind thanks to its long life-span. 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! ​ Bosch Part Numbers: SR9523X, 0986UR1770 Replaces the following BMW part numbers: 12417612815, 12417618620
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