CBS55-1003 – BMW S55 Carbahn Big Turbo Upgrade F8X M2C, M3, M3C, M3CS, M4, M4C, M4CS, M4GTS

*Special note CarBahn Stage 2 software for the F-series M2C, M3, M4 requires this turbocharger upgrade. 

CarBahn Autoworks turbocharger upgrade system for the F-series M2, M3, M4 are new not rebuilt units. They come with larger compressor wheel and housings, Larger turbine wheel and housing and a new high-performance exhaust manifold casting. The turbo upgrade makes the turbocharger more efficient at higher volumes. This reduces charge air temperature at high RPM. The reduction in temperature means we can run more boost safely. This superior design has more flow and less lag than most other high performance turbochargers on the market.  When paired with the CarBahn Stage 2 engine software, the end result is a car that not only delivers a massive amount of performance and power, but does so in a predictable way that enhances the driving experience without breaking the drivetrain.

Estimated Installation Time: 17 hours

We also have optional high flow intake silicone hoses availible  P/N CBS55-1004 for $349.

Features and benefits of the Carbahn Turbos turbocharger upgrade:

Upgraded billet compressor wheel
Heavy duty large pad upgrade thrust
CNC machined
High Speed VSR balanced