Stage 1 ECU + TCU

420 HP & 620 NM torque

Stage 1 is a software-only ECU + TCU remap for the B58 engine that unlocks a big jump in performance without changing any physical parts. It typically takes the car from around 335–340 bhp / 500 Nm to roughly 400–430 bhp and 580–620 Nm, giving noticeably stronger mid-range pull, sharper throttle response, and much quicker in-gear acceleration. Burbles can be added. 

Stage 2 Tuning package

450 HP & 660 NM torque

Stage 2 takes performance to the next level with an upgraded ECU and TCU remap paired with a high-airflow downpipe, allowing the B58 engine to breathe more efficiently and unlock significantly more performance. This setup typically gives the car a much stronger mid-range pull, sharper throttle response, and louder exhaust sound. Big pops bangs and flames can be added with this.

Stage 2+ Tuning package

480 HP & 700 NM torque

BMW M140i Stage 2+ unlocks the full potential of the stock turbo setup with a Stage 2+ ECU remap, high-airflow downpipe, Narkos intake, and B58TU high-pressure fuel pump. Producing around 480 hp and 700 Nm of torque, it delivers brutal mid-range pull, sharper response, and strong top-end power while retaining excellent everyday drivability. Big pops bangs and flames can be added with this.

Narkos Intake B58

High-flow induction system designed for BMW B58-powered vehicles. Features a free-flowing intake path and heat-shielded design to improve airflow, enhance turbo spool and induction sound, and sharpen throttle response while supporting increased power levels on tuned applications. Compatible with popular B58 models including the M140i, M240i, 340i, 440i, and 540i. The intake is intended to improve airflow.