BMW 120d Remap
The BMW 120d with the B47 2.0d engine is one of the most popular 1 Series variants and responds particularly well to ECU remapping. Starting at 190bhp, Stage 1 takes it to around 235bhp with a significant torque increase that transforms the car's character on the road. AutoCleanse remaps 120ds from our Totnes workshop and via mobile across Devon.
Performance Gains
BMW 120d Engine Options
2.0d B47 190 (F20/F40)
+up to 12% MPGOur Process
Professional ECU Tuning in Devon
Every remap we perform includes a full pre-tune diagnostic check to ensure your BMW is healthy before we start. We don't flash generic files - we use safe, proven calibrations tailored to your engine's specific hardware.
Mobile Remapping Available
We cover the entirety of Devon. We can remap your BMW 120d at your home, workplace, or driveway, providing the same high-quality service as you'd receive in our workshop.
FAQ
BMW 120d Remapping Questions
The B47 190 gains around 45bhp and 60Nm at Stage 1, reaching approximately 235bhp and 460Nm. In a compact 1 Series body this makes the car feel very fast - 0–60 drops noticeably and in-gear acceleration is transformed.
The same B47 engine is used in both, so the maps are very similar and the gains are identical. The 120d is lighter than the 320d, so the performance improvement is arguably felt more strongly.
Yes - the M Sport suspension and chassis setup of the 120d handles the Stage 1 power increase well. The car remains balanced and composed. Tyre quality matters more at higher power levels, and we'd recommend ensuring you have decent rubber fitted.
Book online using our booking form or call us directly. We offer both workshop and mobile appointments across Devon. Turnaround is typically 1.5–2 hours.
For most driving styles, yes. The improved torque curve allows the engine to work less hard, particularly at motorway speeds. Real-world MPG improvements of 10–12% are typical for regular motorway users.
Transform Your BMW Today.
Book your 120d in for a Stage 1 ECU remap. Choose between a workshop visit or a mobile appointment across Devon.
Safe, tested calibrations for long-term reliability