COBB Stage 1 Power Package | E82 · E88 135i · 1M · E90 · E92 · E93 335i · E60 · E61 535i | 3.0L Turbo I6 [N54] E60 · E61 525i 2.5L I6 [M54] 20% stiffness increase over OEM

20% stiffness increase over OEM Golf R springs

The stock automatic tune has internal transmission rev limit controllers that shift before the manifold and software can make the extra power gained through the upgrade

The banner also comes with brass grommets for ease of hanging

It’s sad that we even have to mention this

there are no unnecessary upgrade charges and all features are included from the outset for any level of hardware or ECU Tune Stage

COBB Stage 1 Power Package | E82 · E88 135i · 1M · E90 · E92 · E93 335i · E60 · E61 535i | 3.0L Turbo I6 [N54] E60 · E61 525i 2.5L I6 [M54] 20% stiffness increase over OEMThe Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your BMW. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow our staged upgrade path with pre loaded Off The Shelf (OTS) maps or use custom mapping for any modification level. It's the last engine management solution you'll ever need. Combine that with a COBB High Flow Filter to