Considering an ECU remap for your BMW 3 Series 318D 136hp? A Stage 1 remap can take this F34 - 2012 - 2015 diesel engine from 136 BHP to 190 BHP and from 320 Nm to 400 Nm of torque (turbocharged). This engine scores 8.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 3 Series can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The BMW 3 serie 318D 136hp is a 2.0L turbocharged diesel engine producing 136 BHP and 320 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 190 BHP and 400 Nm — a gain of around 54 BHP (40%) and 80 Nm (25%).
This engine scores highly for remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC17 (likely), and the transmission is many variants use zf 8-speed automatic (where fitted); manuals also exist..
Fuel economy note: possible improvement with conservative driving.
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 |
|---|---|---|---|---|---|
| 318D 143hp |
| 143 → 190 |
| +47 |
| 320 → 400 |
| +80 |
| Excellent (8/10) |
| 320D 163hp | 163 → 220 | +57 | 380 → 440 | +60 | Good (7.5/10) |
| 320D 184hp | 184 → 220 | +36 | 380 → 440 | +60 | Good (7/10) |
| 320i 184hp | 184 → 260 | +76 | 270 → 420 | +150 | Good (6.5/10) |
| 325D 218hp | 218 → 270 | +52 | 450 → 500 | +50 | Good (7/10) |
| 328i 245hp | 245 → 280 | +35 | 350 → 430 | +80 | Moderate (5/10) |
| 330D 258hp | 258 → 310 | +52 | 560 → 650 | +90 | Good (7/10) |
| 330D PP 286hp | 286 → 310 | +24 | 600 → 650 | +50 | Moderate (5.5/10) |
| 335i 306hp | 306 → 365 | +59 | 400 → 520 | +120 | Moderate (5.5/10) |
| 335D 313hp | 313 → 365 | +52 | 630 → 710 | +80 | Good (6.5/10) |
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.
