BMW F20 F21 114d B37 remote remap - stage 1 fast road

Remote ECU remap for the BMW F20 and F21 1 Series 114d with B37 engine. Delivers up to 50hp on stock hardware, sharper throttle response, improved mid-range torque and removal of the factory 130mph speed limiter.

• Flash via OBD port at home - Ethernet-to-OBD cable required (sold separately)
• Fully tested on UK roads and dyno; returns to stock instantly, zero trace
• Dealer ID and programming date unchanged - no dealership flags
• Not compatible with BMW DME lock updates; verify your current software version first