The F650 for the F2X PWG N55 is the ultimate "OEM Plus" upgrade. It retains the quick-spooling twin-scroll characteristics that make the M135i/M235i a joy to drive on the street, while providing the airflow capacity to compete with much larger single-turbo setups. Every F650 unit is built with reliability as a priority, featuring a reinforced rotating assembly and precision balancing to ensure it can handle the high boost pressures required for 600+ HP targets.
Key Features:
Twin-Scroll Manifold Integration: Custom-cast manifold preserves the factory twin-scroll pulse separation for near-instant torque delivery.
VSR High-Speed Balancing: Multi-axis balanced at speeds exceeding 100,000 RPM to eliminate harmonics and ensure long-term bearing life.
Oversized Internal Wastegate: A larger-than-stock wastegate port and flapper valve provide precise boost control and prevent overboost/creep.
Direct-Fit Oil/Coolant Architecture: Interfaces seamlessly with F2X factory lines for a "no-cut" installation process.
M2 Diverter Valve Compatibility: Designed to accept the upgraded diverter valves used on higher-tier M-models for improved boost retention.
Specifications:
Model: FrankenTurbo F650 (PWG Edition).
Max Boost Capacity: 30+ PSI (Efficiency Peak: 22–26 PSI).
Shaft Diameter: 6.1mm Reinforced 42CrMo Steel.
Housing Material: Vanadium-infused Ductile Iron (1000°C Resistant).
Included Components: Turbocharger, Integrated Manifold, High-Flow Inlet Pipe, and DualForce Actuator.
Target Octane: 93 Octane + Methanol or E50/E85 Blends.
How to verify if it fits your M235i:
Look for the Actuator: Pop the hood and look down at the turbo (passenger side).
PWG (This Kit): You will see a round, metal vacuum canister with a long rod and a rubber hose.
EWG (Does NOT fit): You will see a black plastic rectangular box with an electrical wire harness plugged into it.
Prop 65 Warning
Product Q&A
Lifetime Replacement
This product is not eligible for Lifetime Replacement
Fits These Cars
MAKE
MODEL
SUBMODEL
ENGINE
Special Fitment Notes
BMW
F22
M235i
N55 3.0L
For vehicles with Pneumatic Wastegate (PWG)
BMW
F23
M235i
N55 3.0L
For vehicles with Pneumatic Wastegate (PWG)
*The above product applications have been written by Turner Motorsport. All
warranties, product application, fitment, and performance are the responsibility of Turner Motorsport.
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