To be installed as a kit with 831011 and 831032 or 831012
400 rpm when tested on the Akrapovič dyno against a BMW X5M ith a stock M Sport exhaust system for comparison
The inlet tube has been designed to provide a smooth path for the airflow to negotiate from the filter to the stock turbo tube
With the ECU remap we generally see anything upto 425-430bhp on a stock vehicle once an adaptation time period has elapsed
Remus Racing Axle Back - BMW G20 M340i | G22 M440i Tailpipe Finish:84mm Angled To be installed as aATTENTION: RACING no ECE approval! RACING Axle back system for BMW M340i xDrive, Type G20, Sedan (G3L, with GPF) BMW M340i xDrive, Type G21, Touring (G3K, with GPF) & BMW M440i xDrive, Type G22, Coupe (G3C, with GPF) consisting of a RACING sport exhaust centered, connection tube and one of four tail pipe sets. Tube diameter: Original tube 70 mm REMUS tube 76 mm ATTENTION The original exhaust will need to be cut! No rear skirt modifications required!