Considering an ECU remap for your BMW 2 Series M235i 306hp? A Stage 1 remap can take this 2020 -> petrol engine from 306 BHP to 335 BHP and from 450 Nm to 500 Nm of torque (naturally aspirated). This engine scores 4.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 2 Series can achieve.
The BMW 2 Serie M235i 306hp is a 2.0L naturally aspirated petrol engine producing 306 BHP and 450 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 335 BHP and 500 Nm — a gain of around 29 BHP (9%) and 50 Nm (11%).
This engine has limited remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
From a technical perspective, the transmission is many variants use zf 8-speed automatic (where fitted); manuals also exist. at this torque level, transmission and driveline servicing history becomes especially important..
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 216d (1.5D) 116hp |
| 116 → 150 |
| +34 |
| 270 → 330 |
| +60 |
| Excellent (8/10) |
| 218i (1.5T) 140hp | 140 → 180 | +40 | 220 → 300 | +80 | Excellent (8/10) |
| 218d (2.0D) 150hp | 150 → 190 | +40 | 320 → 400 | +80 | Excellent (8/10) |
| 220d (2.0D) 190hp | 190 → 220 | +30 | 400 → 440 | +40 | Good (6.5/10) |
Get a personalised remap quote for your BMW 2 Series. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.
