Considering an ECU remap for your BMW 1 Series 118D 122hp? A Stage 1 remap can take this E87 - 2004 - 2007 diesel engine from 122 BHP to 155 BHP and from 280 Nm to 340 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 1 Series can achieve.
The BMW 1 serie 118D 122hp is a 2.0L turbocharged diesel engine producing 122 BHP and 280 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 155 BHP and 340 Nm — a gain of around 33 BHP (27%) and 60 Nm (21%).
This engine scores highly for 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 high, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC16 (likely), and the transmission is many variants use zf 5/6-speed automatics (where fitted); manuals also exist..
Considerations: Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
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 |
|---|---|---|---|---|---|
| 116i 115hp | 115 → 128 | +13 | 150 → 165 | +15 | Moderate (4.5/10) |
| 118i 129hp | 129 → 145 | +16 | 180 → 200 | +20 | Moderate (4.5/10) |
| 120i 150hp | 150 → 165 | +15 | 200 → 220 | +20 | Moderate (4.5/10) |
| 120D 163hp | 163 → 200 | +37 | 340 → 420 | +80 | Good (7.5/10) |
| 130i 265hp | 265 → 285 | +20 | 315 → 340 | +25 | Moderate (4/10) |
| 135i 306hp | 306 → 370 | +64 | 400 → 500 | +100 | Moderate (5.5/10) |
Get a personalised remap quote for your BMW 1 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.
