Litchfield Stage 1 ECU remap - 435 bhp / 425 lbft Our Stage 1 upgrade for the M140i/M240i turbo charged engines offers a massive increase in power and torque through its carefully re-calibrated ECU. This customised ECU mapping has evolved from our detailed understanding of the 135i/235i N55 engines and ECU.

ECU Remapping for BMW 1 Series M140i 335 bhp. Gain 29% power with a Stage 1 petrol Tuning. Chip Tuning options available, Rev limit<br>removal, Speed limit<br>removal.

Developed and tested in house the More BHP Stage 1 remap is intended for vehicles with stock hardware running premium fuel. Where possible, your car will be tuned to perfection on our rolling road, with a printout at the end to confirm the actual power and torque improvements.

Book Your BMW M140i Remap Today! Transform your BMW M140i with Onyx Performance’s Stage 1 & Stage 2 tuning packages. Whether you’re looking for a simple ECU remap, a Stage 2 performance upgrade, or enhanced vehicle security, we have the expertise and technology to make it happen.

M140i Stage 1 Remap Package From VUDU Performance Take your BMW M140i to a whole new performance level with the VUDU Performance Stage 1 Remap Package! This software package is the perfect first modification for your BMW M140i as you...

M140i tuning, one of our most popular upgrades, we have upgraded hundreds of the B58 engine fitted in BMW M140i, M240i, 440i, 540i, X3M40i etc.

The cornerstone of Tom Wrigley Performance tuning for the BMW M140 lies in custom ECU tuning. Tom and his team employ cutting-edge technology to reprogram the Engine Control Unit, optimizing parameters such as fuel delivery, ignition timing, and boost pressure.

Remapping your 2018 BMW M140i 3 with one of our custom ECU remaps can improve both torque and BHP, resulting in improved power, response and performance. Each map we install is tailored specifically for your BMW and has been dyno tested and developed to maximize gains and minimize the risk of component failure.

Developed and tested in house the MoreBHP Stage 2+ M140i remap is intended for vehicles fitted with a sports cat (plus further exhaust mods for OPF equipped models), uprated HPFP and running E5 99 fuel and/or ethanol/methanol blends.

[vc_row] [vc_column width="1/2"]Our Stage 1 upgrade for the M140i/M240i B58 engines offers a huge increase in power and torque throughout the rev range. Our bespoke ECU mapping has evolved from our development of the ?N55 engines and MEVD DME .