Tein Street Advance Z Coilover Suspension Kit - 3 Series Sedan (E90) VB23 GruppeM Considered the go to cam

Considered the go to cam for cracking that 300hp on pump gas for years

Unlike OEM cam seals

Internal E-Throttle Controller

Over time these can begin to deteriorate and not function correctly

Tein Street Advance Z Coilover Suspension Kit - 3 Series Sedan (E90) VB23 GruppeM Considered the go to camMuch like Tein Street Basis, Street Advance utilises a twin tube system and has adjustable lowering spring seats allowing you to adjust ride height. Unlike Street Basis, it also features adjustable damping force, allowing you to effectively change your handling characteristics. Compared to mono tube suspension, Street Basis is twin tube, meaning it attains a longer stroke with a smaller repulsive force, resulting in excellent high ride comfort.