Skip to content

Home
Remapping
- Start here
  
  Remapping overview
  
  Stages explained
  
  How it works
- By calibration
  
  Petrol remapping
  
  Diesel remapping
  
  Gearbox tuning
- Evidence
  
  Custom vs generic
  
  Dyno verification
  
  Safety & aftercare
Your exact vehicle

Know your car. Know your options.
Car Database
Car Database
Research
Cardiff & Barry
- Cardiff Remapping (20 mins)
- Barry & Vale (15 mins)
FAQ
Contact

Find My Car
Makes
BMW
4 Series GC

BMW 4 Series GC

Choose a generation

F36 2014-2016 17 powertrains View powertrains
F36 LCI 2016-2020 12 powertrains View powertrains
G26 2021-2024 8 powertrains View powertrains
G26 LCI 2024 onwards 8 powertrains View powertrains

Car Database

Know your car. Know your options.

Choose the exact make, generation and powertrain before we discuss the calibration.

Open Car Database

REMAPS.WALES

Calibrated for the way you drive.

Terms Privacy Cookies Accessibility Contact

© 2026 Remaps Wales

Built here. Calibrated here. Proven here.

Cookies on this site

Essential cookies stay on for security. Analytics stays off unless you allow it.

Cookie policy