Expected gains of +29 BHP and +80 Nm torque
Get Your Free Quote ↓Data under review — The figures shown for this engine variant are currently being verified. They may be updated as we refine our data.
Considering an ECU remap for your BMW 3 Series 318i (1500cc) 136hp? A Stage 1 remap can take this F3x LCI - 06 / 2015 - 2019 petrol engine from 136 BHP to 165 BHP and from 220 Nm to 300 Nm of torque (naturally aspirated). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 3 Series can achieve.
The BMW 3 serie 318i (1500cc) 136hp is a 1.5L naturally aspirated petrol engine producing 136 BHP and 220 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 165 BHP and 300 Nm — a gain of around 29 BHP (21%) and 80 Nm (36%).
This engine has moderate remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as high, 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..
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.. Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
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 |
|---|
| 316d 116hp | 116 → 190 | +74 | 270 → 400 | +130 | Excellent (8.5/10) |
| 318d 136hp | 136 → 190 | +54 | 320 → 400 | +80 | Excellent (8.5/10) |
| 318d 150hp | 150 → 190 | +40 | 320 → 400 | +80 | Excellent (8/10) |
| 320d Efficient dynamics 163hp | 163 → 220 | +57 | 400 → 440 | +40 | Good (7.5/10) |
| 320i xDrive 184hp | 184 → 250 | +66 | 270 → 440 | +170 | Good (6.5/10) |
| 320i 184hp | 184 → 250 | +66 | 290 → 440 | +150 | Good (6.5/10) |
| 320d 190hp | 190 → 220 | +30 | 400 → 440 | +40 | Good (6.5/10) |
| 325d (1995cc) 211hp | 211 → 270 | +59 | 450 → 500 | +50 | Good (7/10) |
| 325d (1995cc) 218hp | 218 → 270 | +52 | 450 → 500 | +50 | Good (7/10) |
| 325d (1995cc) 224hp | 224 → 270 | +46 | 450 → 500 | +50 | Good (7/10) |
| 330i 252hp | 252 → 300 | +48 | 350 → 450 | +100 | Moderate (5.5/10) |
| 330e 252hp | 252 → 340 | +88 | 420 → 580 | +160 | Good (6.5/10) |
| 330i xDrive 252hp | 252 → 287 | +35 | 350 → 450 | +100 | Moderate (5.5/10) |
| 330D 258hp | 258 → 310 | +52 | 560 → 650 | +90 | Good (7/10) |
| 330d xDrive 258hp | 258 → 310 | +52 | 560 → 650 | +90 | Good (7/10) |
| 335d xDrive 313hp | 313 → 365 | +52 | 630 → 710 | +80 | Good (6.5/10) |
| 340i xDrive 326hp | 326 → 400 | +74 | 450 → 585 | +135 | Moderate (5.5/10) |
| 340i 326hp | 326 → 400 | +74 | 450 → 585 | +135 | Moderate (5.5/10) |
Get a personalised remap quote for your BMW 3 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.