allowing you to use factory main and rod bearings

Model Years equipped with this motor vary by region

- Independently adjustable rebound and compression damping technology- Stainless steel technology "inox-line"- Seamlessly adjusable lowering- TÜV-tested adjustment range- High-quality components for a long-term durability- Adjustable rebound damping with 16 precise clicks- Adjustable compression damping with 12 precise clicks- Unique independent damping force adjustment- Optional spherical bearing aluminum top mounts durability

aluminum rods offer significant advantages for race engines

BMW Crankshaft Bolt 11-21-1-439-395 M54B25 allowing you to use factoryThis 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