VS - B58 / S58 Upgraded Crank Pulley Engine:B58 Gen 1 T4 Manifold with studs and

T4 Manifold with studs and nuts (Ceramic or Non-Ceramic options)

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2020-Present     G30/G31 LCI     540i / 540i xDrive

Limited 1-year (Unlimited Miles) Warranty view terms & conditions

VS - B58 / S58 Upgraded Crank Pulley Engine:B58 Gen 1 T4 Manifold with studs andOne of the most vital modifications you can do to your B58 S58. Once you start modifying these engines, they are known for the crank pulley to fail. The crank pulleys are pressed 2 piece designs from factory, so with the higher torque the press in design isn't ideal. Aftermarket options aren't ideal either. We have experimented with all kinds of pulleys and our modified OEM pulleys had the best results. We require core so you will need to ship your