Brey Krause Sub Strap Mount for BK Side Mount Systems - BMW F8x/E9x

The Brey Krause Model Anti-Sub Strap Mount is designed to mount directly to Brey Krause's line of R-925X BMW E36 & E46 Seat Adapter Brackets and the R-9052 Porsche Side-Mount Bracket. The stainless steel bar is threaded on both ends to allow for length adjustment between various seat sizes, while still keeping the sub-strap guide centered. Bar can be used with Driver or Passenger-side mounts, and can be mounted in two possible positions on the R-925X brackets to allow for proper positioning. Note: Fits Narrow and Medium R-925x brackets only (seats up to 426mm wide).

Small For seats up to 426mm wide at the front mount points. For seats over 425mm use the Large sub strap mount.

E9X: E92, E91, E92
F8X: F80 M3, F84 M4, F87 M2
F3X: F30, F31, F32
E82: 1 series, M1