Can be installed both inside and outside

This intake manifold isn’t just another upgrade—it’s a high-quality

- Custom Designed Anodized 6061 Aluminum End Mounts

2010-15 BMW F21 125d

ductile iron cylinder sleeves

OS Giken SuperLock LSD, BMW E46 M3 EJ257 Can be installed both insideThe OS Giken SuperLock LSD features their patented pressure ring design, delivering smooth, progressive locking. Distinguished by a spline through side gear construction, OS Giken's design allows for the fitment of more friction plates (up to 2x as many as competing versions). Key Features: All components undergo chemical heat treatment for maximum durability Constructed from a high grade steel alloy, ensuring exceptional strength Gears are raw forged