Email: [email protected] MapworX is a vehicle tuning and diagnostics specialist based at Central Garage in Bitton, conveniently located between Bristol and Bath. Services include ECU remapping, Stage 1 and Stage 2 tuning where suitable, gearbox tuning, professional vehicle diagnostics, fault-code investigation, DPF cleaning and regeneration, ECU and TCU programming, and speed-limiter programming for cars and vans where legally permitted. We provide clear advice, reliable service and tuning solutions matched to each vehicle and... read full review »