The Samsonas 4 / 5 / 6 (+ reverse) full Sequential Gearbox for BMW E82 and E88 models equipped with BMW N54 / N55 Engine

High-Power Ready: Rated for up to 1200 HP and 8500 RPM

featuring numerous improvements

(see Fittings & Adapters)

2012-2018 BMW M6 F12 Convertible

M30 Combustion Chamber Upgrade Service HPRBS-S14 The Samsonas 4 / 55150 AutoSport Combustion Chamber Upgrade Service for BMW M30 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Our CNC Cylinder Head Combustion Chamber Service is a precision machining process where the combustion chambers of an engine's cylinder head are reshaped and refined using Computer Numerical Control (CNC) technology, optimizing engine performance for street or