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G20 | 2019–present

BMW Model Tuning · Petrol

BMW 320i G20

The entry-level G20 petrol, powered by the B48B20O0 producing 184 hp. The lower power tune means more headroom relative to the base output.

Tuning Highlights

Stage 1 calibration typically lifts the 320i to 240-260 hp, a substantial improvement from the conservative factory mapping. Transforms the daily driving experience.

Engine: BMW B48 2.0L Turbo I4

The B48 is BMW's modular 2.0-litre four-cylinder turbo petrol engine. It replaced the N20 from 2014 onwards and powers the 20i/30i range across the 1 Series through 5 Series and X models. Available in multiple power tunes from 135 kW to 190 kW from t...

Stage 1

Stage 1 on the 30i variant (B48B20O1) typically delivers 280-300 hp and 420-440 Nm on 98 RON. The 20i variants see proportionally strong gains from th...

Reliability

Generally reliable. Common attention points include the timing chain (inspect at higher mileages), thermostat housing (plastic, prone to cracking), an...

Related BMW Resources

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