Kies Motorsports Crank Bolt Lock for S55, N55, and N54 Bolt Count:8 Very few applications require centering

Very few applications require centering rings

This kit is capable of providing supplemental fueling to all BMW's equipped with B58 Gen 1 engine (see fitment guide for full details)

0L BMW E92 335i N55 3

KC Design One Piece Integrated Sway Bar Design Concept:The core reason for choosing solid spring steel is safety

• Free Flow Solid No Restriction Design

Kies Motorsports Crank Bolt Lock for S55, N55, and N54 Bolt Count:8 Very few applications require centeringIntroducing the all new Kies Crank Bolt Lock! Kies Motorsports Crank Bolt Lock acts to "lock" the crank bolt on the S55, N55, and N54 in an effort to prevent the crank bolt from backing out, which can lead to catastrophic engine failure. By locking the bolt into place, you virtually eliminate the possibility of the crank bolt working its way loose. Please note, by adding the Kies Crank Bolt Lock, it is still possible to spin a crank hub, however, it