BMW 1 Series
ECU Remapping
Choose your engine to see its standard and remapped power and torque.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Find another vehicle
Pick your make, model and engine.
Engines
BMW 1 Series remap stats by engine
BMW 116i 115
petrolView remap stats →Power115 → 132 bhp+17Torque150 → 184 Nm+34BMW 116i 121
petrolView remap stats →Power121 → 141 bhp+20Torque160 → 195 Nm+35BMW 118d 122
dieselView remap stats →Power122 → 158 bhp+36Torque280 → 345 Nm+65BMW 118i 129
petrolView remap stats →Power129 → 149 bhp+20Torque180 → 215 Nm+35BMW 118d 134
dieselView remap stats →Power134 → 174 bhp+40Torque300 → 375 Nm+75BMW 118i 143
petrolView remap stats →Power143 → 163 bhp+20Torque190 → 225 Nm+35BMW 120i 150
petrolView remap stats →Power150 → 170 bhp+20Torque200 → 235 Nm+35BMW 120d 163
dieselView remap stats →Power163 → 198 bhp+35Torque340 → 415 Nm+75BMW 120i 170
petrolView remap stats →Power170 → 190 bhp+20Torque210 → 245 Nm+35BMW 120d 177
dieselView remap stats →Power177 → 213 bhp+36Torque350 → 425 Nm+75BMW 123d 204
dieselView remap stats →Power204 → 244 bhp+40Torque400 → 465 Nm+65BMW 125i 218
petrolView remap stats →Power218 → 258 bhp+40Torque270 → 335 Nm+65BMW 130i 265
petrolView remap stats →Power265 → 285 bhp+20Torque315 → 350 Nm+35BMW 135i 306
petrolView remap stats →Power306 → 356 bhp+50Torque400 → 480 Nm+80
Tuning figures are indicative estimates, not guaranteed results.

Ready for ECU remapping on your BMW 1 Series?
Not sure which engine you have? Send your registration and we will check.
Looking for ECU remapping for a BMW 1 Series? Pick your engine from the 14 variants below: each page shows the standard figures, the remapped figures and the gain.
BMW 1 Series power and torque gains
The biggest power gain in the BMW 1 Series range is on the 135i 306: 306 bhp rises to 356 bhp (+50 bhp, +16%) and torque from 400 Nm to 480 Nm.
Standard power across these engines runs from 115 bhp to 306 bhp, and the average stage 1 gain is 30 bhp and 53 Nm.
BMW 1 Series: diesel and petrol compared
On the BMW 1 Series, diesel engines average a gain of 37 bhp and 71 Nm, while petrol engines average 25 bhp and 43 Nm.
Diesels usually show the larger torque gain; petrols tend to gain more at the top end of the rev range.
BMW 1 Series engine remapping
Our network covers the whole of the UK through local Remap Experts sites. Find your area to get a quote from a specialist near you.
Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty.
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
