aluminum rods offer significant advantages for race engines

00mm Intake / 11

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BMW Crankshaft Bolt 11-21-1-439-395 M54B25 aluminum rods offer significant advantagesThis Genuine BMW Crankshaft Bolt 11 21 1 439 395 is a factory replacement for the crank hub assembly on BMW N52 and N54 engines. Designed to BMWs exact specifications, this hex bolt ensures proper fitment, torque, and reliability when securing the crank hub. Replacing the crankshaft bolt is critical during timing service, crank hub upgrades, or any major engine work to maintain engine integrity and prevent failure. As a genuine BMW component, the BMW